Energy, work and power — Paper 1 · IGCSE Sciences - Co-ordinated (Double) 0654

31 A ball is released from rest and rolls down a track from the position shown. What is the furthest position the ball could reach? ball C starts here B D A

1 marks

Answer: B

This question in 0654/11 May/June 2005

31 Which source of energy uses the production of steam to generate electricity? A hydroelectric B nuclear C tides D waves

1 marks

Answer: B

This question in 0654/11 Oct/Nov 2006

32 A cyclist travels down a hill from rest at point X without pedalling. The cyclist applies his brakes and the cycle stops at point Y. X hill Y Which energy changes have taken place between X and Y? A kinetic → internal (heat) → gravitational potential B kinetic → gravitational potential → internal (heat) C gravitational potential → internal (heat) → kinetic D gravitational potential → kinetic → internal (heat)

1 marks

Answer: D

This question in 0654/11 Oct/Nov 2006

30 Which unit is used to measure work? A joule B kilogram C newton D watt

1 marks

Answer: A

This question in 0654/11 May/June 2007

31 A person uses chemical energy to run up some stairs. She stops at the top of the stairs. What has the chemical energy been converted to when she is at the top of the stairs? A kinetic energy and gravitational potential energy B kinetic energy and nuclear energy C gravitational potential energy and heat energy D nuclear energy and heat energy

1 marks

Answer: C

This question in 0654/11 Oct/Nov 2007

38 Which energy source is not renewable? A hydroelectric B nuclear C solar D wind

1 marks

Answer: B

This question in 0654/11 Oct/Nov 2007

32 A stone is thrown from the edge of a cliff. Its path is shown in the diagram. 2 1 3 ground In which position does the stone have its greatest kinetic energy and in which position does it have its lowest potential energy? greatest kinetic lowest potential energy energy A 1 2 B 2 3 C 3 1 D 3 3

1 marks

Answer: D

This question in 0654/11 May/June 2008

31 A rubber ball is dropped from a height of 2 metres onto a table. Whilst in contact with the table, some of its energy is converted into heat energy. What is the highest possible point the ball could reach after bouncing? 4 m A height B ball released from this height C 2 m D 0 table

1 marks

Answer: D

This question in 0654/11 Oct/Nov 2008

31 Electricity can be obtained from different energy resources. Which energy resource is used to obtain electricity without producing heat to boil water? A coal B gas C hydroelectric D nuclear

1 marks

Answer: C

This question in 0654/11 May/June 2009

31 A man lifts some weights. In which activity is the power of the man the smallest? A lifting a mass of 1 kg through a height of 0.1 m in 1 second B lifting a mass of 1 kg through a height of 0.1 m in 10 seconds C lifting a mass of 1 kg through a height of 1 m in 1 second D lifting a mass of 10 kg through a height of 0.1 m in 1 second

1 marks

Answer: B

This question in 0654/11 Oct/Nov 2010

33 A man lifts some weights. In which activity is the power of the man the smallest? A lifting a mass of 1 kg through a height of 0.1 m in 1 second B lifting a mass of 1 kg through a height of 0.1 m in 10 seconds C lifting a mass of 1 kg through a height of 1 m in 1 second D lifting a mass of 10 kg through a height of 0.1 m in 1 second

1 marks

Answer: B

This question in 0654/12 Oct/Nov 2010

29 A man lifts some weights. In which activity is the power of the man the smallest? A lifting a mass of 1 kg through a height of 0.1 m in 1 second B lifting a mass of 1 kg through a height of 0.1 m in 10 seconds C lifting a mass of 1 kg through a height of 1 m in 1 second D lifting a mass of 10 kg through a height of 0.1 m in 1 second

1 marks

Answer: B

This question in 0654/13 Oct/Nov 2010

33 Two cars have different masses and different speeds as shown. mass = 500 kg mass = 1000 kg speed speed = 10 m / s = 5 m / s car P car Q How do the momentum and the kinetic energy of the two cars compare? momentum kinetic energy A P greater than Q P less than Q B P equal to Q P greater than Q C P equal to Q P equal to Q D P less than Q P equal to Q

1 marks

Answer: B

This question in 0654/11 May/June 2011

32 Two cars have different masses and different speeds as shown. mass = 500 kg mass = 1000 kg speed speed = 10 m / s = 5 m / s car P car Q How do the momentum and the kinetic energy of the two cars compare? momentum kinetic energy A P greater than Q P less than Q B P equal to Q P greater than Q C P equal to Q P equal to Q D P less than Q P equal to Q

1 marks

Answer: B

This question in 0654/12 May/June 2011

32 Two cars have different masses and different speeds as shown. mass = 500 kg mass = 1000 kg speed speed = 10 m / s = 5 m / s car P car Q How do the momentum and the kinetic energy of the two cars compare? momentum kinetic energy A P greater than Q P less than Q B P equal to Q P greater than Q C P equal to Q P equal to Q D P less than Q P equal to Q

1 marks

Answer: B

This question in 0654/13 May/June 2011

30 A horizontal force of 120 N is used to pull a 25 kg bag of sand 10 m along a floor. bag of sand 25 kg 120 N floor 10 m How much work is done by the force? A 2.5 J B 12 J C 250 J D 1200 J

1 marks

Answer: D

This question in 0654/11 Oct/Nov 2011

38 A machine is claimed to be 100 % efficient. For this to be true, which statement must be correct? A All the energy put into it is changed into useful energy. B It is very easy to use. C It produces more energy than is put into it. D It wastes a small amount of energy.

1 marks

Answer: A

This question in 0654/11 Oct/Nov 2011

31 A horizontal force of 120 N is used to pull a 25 kg bag of sand 10 m along a floor. bag of sand 25 kg 120 N floor 10 m How much work is done by the force? A 2.5 J B 12 J C 250 J D 1200 J

1 marks

Answer: D

This question in 0654/12 Oct/Nov 2011

40 A machine is claimed to be 100 % efficient. For this to be true, which statement must be correct? A All the energy put into it is changed into useful energy. B It is very easy to use. C It produces more energy than is put into it. D It wastes a small amount of energy.

1 marks

Answer: A

This question in 0654/12 Oct/Nov 2011

29 A horizontal force of 120 N is used to pull a 25 kg bag of sand 10 m along a floor. bag of sand 25 kg 120 N floor 10 m How much work is done by the force? A 2.5 J B 12 J C 250 J D 1200 J

1 marks

Answer: D

This question in 0654/13 Oct/Nov 2011

39 A machine is claimed to be 100 % efficient. For this to be true, which statement must be correct? A All the energy put into it is changed into useful energy. B It is very easy to use. C It produces more energy than is put into it. D It wastes a small amount of energy.

1 marks

Answer: A

This question in 0654/13 Oct/Nov 2011

30 Which energy resource did not receive its energy from the Sun? A geothermal B hydroelectric C oil D waves

1 marks

Answer: A

This question in 0654/12 May/June 2012

30 Which energy resource did not receive its energy from the Sun? A geothermal B hydroelectric C oil D waves

1 marks

Answer: A

This question in 0654/13 May/June 2012

30 From which type of energy is electrical energy obtained in a hydroelectric power station? A chemical energy B gravitational energy C nuclear energy D strain energy

1 marks

Answer: B

This question in 0654/11 May/June 2013

30 Electricity is generated in power stations. Many power stations use high pressure steam to drive the turbines. Some power stations do not use high pressure steam. Which type of power station does not use high pressure steam? A chemical energy (fuel) power stations B geothermal energy power stations C hydroelectric energy power stations D nuclear energy power stations

1 marks

Answer: C

This question in 0654/12 May/June 2013

32 From which type of energy is electrical energy obtained in a hydroelectric power station? A chemical energy B gravitational energy C nuclear energy D strain energy

1 marks

Answer: B

This question in 0654/13 May/June 2013

30 An aeroplane flies at a constant speed and height for several hours. Which type of energy must change during this part of the flight? A the gravitational energy of the aeroplane B the kinetic energy of the aeroplane C the store of chemical energy in the fuel tank of the aeroplane D the thermal energy of the aeroplane

1 marks

Answer: C

This question in 0654/11 Oct/Nov 2013

29 An aeroplane flies at a constant speed and height for several hours. Which type of energy must change during this part of the flight? A the gravitational energy of the aeroplane B the kinetic energy of the aeroplane C the store of chemical energy in the fuel tank of the aeroplane D the thermal energy of the aeroplane

1 marks

Answer: C

This question in 0654/12 Oct/Nov 2013

30 A student writes an answer. Why is this incorrect? A Energy is measured in watts. B Power is measured in joules. C Power is measured in newtons. D Work is measured in joules.

1 marks

Answer: D

This question in 0654/13 Oct/Nov 2013

30 The table lists four energy resources. For each resource it states if the energy resource was originally derived from the Sun’s energy. Which row contains an error? energy derived from resource the Sun’s energy A geothermal no B hydroelectric no C oil yes D waves yes

1 marks

Answer: B

This question in 0654/11 May/June 2014

31 The table lists four energy resources. For each resource it states if the energy resource was originally derived from the Sun’s energy. Which row contains an error? energy derived from resource the Sun’s energy A geothermal no B hydroelectric no C oil yes D waves yes

1 marks

Answer: B

This question in 0654/13 May/June 2014

30 Which energy resource does not provide energy originally derived from the Sun? A coal B geothermal C tides D waves

1 marks

Answer: B

This question in 0654/11 Oct/Nov 2014

29 Which energy resource does not provide energy originally derived from the Sun? A coal B geothermal C tides D waves

1 marks

Answer: B

This question in 0654/12 Oct/Nov 2014

29 Which situation does not involve any work being done? A B N S N + + S pulled apart pushed together the N and S poles of two two positively charged magnets being pulled apart objects being pushed together C D heavy book pen held up by shelf paper a book resting a pen being pulled across on a shelf a sheet of rough paper

1 marks

Answer: C

This question in 0654/13 Oct/Nov 2014

31 The diagram shows an object attached to a thread, swinging between point X and point Y, passing through point P. X Y P Which row best describes the kinetic energy and the gravitational energy of the object when it is passing through point P? kinetic energy gravitational energy A maximum maximum B maximum minimum C minimum maximum D minimum minimum

1 marks

Answer: B

This question in 0654/11 May/June 2015

31 What is the source of the energy converted by a hydro-electric power station? A chemical energy of oil B gravitational energy of falling water C kinetic energy of waves D thermal energy of hot rocks

1 marks

Answer: B

This question in 0654/12 May/June 2015

31 Which energy sources are both renewable? A oil and coal B oil and tidal C tidal and geothermal D tidal and nuclear fission

1 marks

Answer: C

This question in 0654/13 May/June 2015

31 The diagram shows a man diving into water. Which form of energy is increasing as he falls? A chemical B gravitational C kinetic D strain

1 marks

Answer: C

This question in 0654/11 Oct/Nov 2015

31 Electricity can be obtained from different energy resources. Which energy resource is used to obtain electricity without producing heat to boil water? A coal B gas C hydroelectric D nuclear

1 marks

Answer: C

This question in 0654/12 Oct/Nov 2015

31 An electric motor is used to lift a container off a ship. The output power of the motor is changed by changing the time taken to lift the container and by changing the work done in lifting the container. Which row shows changes that both increase the output power? time taken work done A decrease decrease B decrease increase C increase decrease D increase increase

1 marks

Answer: B

This question in 0654/13 Oct/Nov 2015

30 Two men each lift identical boxes vertically upwards onto the same table. Man X takes 1.5 s to lift his box, and man Y takes 2.0 s to lift his box. table man X man Y 1.5 s 2.0 s identical boxes Which man produces the greatest power in lifting the box and what is the unit of power? man producing unit of power greatest power A man X joule B man X watt C man Y joule D man Y watt

1 marks

Answer: B

This question in 0654/11 May/June 2016

30 A man climbs up a ladder, then stops. Some of the energy which the man had before he started climbing the ladder is converted into another type of energy. Which row shows this energy change? energy before climbing energy after climbing A chemical gravitational B gravitational chemical C gravitational kinetic D kinetic gravitational

1 marks

Answer: A

This question in 0654/12 May/June 2016

30 Which source of energy is non-renewable? A hydroelectric B nuclear C tides D waves

1 marks

Answer: B

This question in 0654/13 May/June 2016

29 Which is a unit of power? A kilogram B joule C newton D watt

1 marks

Answer: D

This question in 0654/11 Oct/Nov 2016

30 Which energy source is renewable? A coal B natural gas C nuclear fission D wind

1 marks

Answer: D

This question in 0654/12 Oct/Nov 2016

30 The diagram shows the main parts of a hydroelectric power station. Electricity is generated from energy stored by the water. water dam wall generator turbine Which form of energy decreases as the electricity is generated? A chemical B gravitational C nuclear D thermal

1 marks

Answer: B

This question in 0654/13 Oct/Nov 2016

31 The list contains three energy resources, P, Q and R. P geothermal energy from hot rocks Q nuclear fission in reactors R sunlight on solar panels Which of these resources are renewable? A P, Q and R B P and Q only C P and R only D Q and R only

1 marks

Answer: C

This question in 0654/11 May/June 2017

30 Two men lift identical boxes vertically upwards onto the same table. Man X lifts two boxes in a time of 5.0 s and man Y lifts three boxes in a time of 5.0 s. X Y Which man does the most work in lifting the boxes and which man produces the greatest power? man doing man producing most work greatest power A X X B X Y C Y X D Y Y

1 marks

Answer: D

This question in 0654/12 May/June 2017

31 A worker carries bricks up a ladder. The following quantities are known. ● the height the bricks are lifted up ● the time taken for the worker to lift the bricks ● the volume of the bricks ● the weight of the bricks Which quantities are needed to calculate the useful power produced by the worker as he carries the bricks up the ladder? A height, time and volume B height, time and weight C height, volume and weight D time, volume and weight

1 marks

Answer: B

This question in 0654/11 Oct/Nov 2017

31 A worker carries bricks up a ladder. The following quantities are known. ● the height the bricks are lifted up ● the time taken for the worker to lift the bricks ● the volume of the bricks ● the weight of the bricks Which quantities are needed to calculate the useful power produced by the worker as he carries the bricks up the ladder? A height, time and volume B height, time and weight C height, volume and weight D time, volume and weight

1 marks

Answer: B

This question in 0654/12 Oct/Nov 2017

30 A worker carries bricks up a ladder. The following quantities are known. ● the height the bricks are lifted up ● the time taken for the worker to lift the bricks ● the volume of the bricks ● the weight of the bricks Which quantities are needed to calculate the useful power produced by the worker as he carries the bricks up the ladder? A height, time and volume B height, time and weight C height, volume and weight D time, volume and weight

1 marks

Answer: B

This question in 0654/13 Oct/Nov 2017

31 Which source of energy is renewable? A geothermal B natural gas C nuclear fission D oil

1 marks

Answer: A

This question in 0654/11 Oct/Nov 2018

30 A ball is thrown vertically upwards. The ball rises, stops, falls back down and hits soft ground without bouncing. Which energy transfers occur, starting just after the ball is released? A kinetic to potential to kinetic to chemical B kinetic to potential to kinetic to thermal C potential to kinetic to potential to chemical D potential to kinetic to potential to thermal

1 marks

Answer: B

This question in 0654/12 Oct/Nov 2018

30 Which row gives a unit for energy and a unit for power? energy power A joule newton B joule watt C watt joule D watt ohm

1 marks

Answer: B

This question in 0654/13 Oct/Nov 2018

30 To calculate the work done by a force on an object, the size of the force must be known. Which other quantity must be known? A the acceleration of the object in the direction of the force B the distance moved by the object in the direction of the force C the final speed of the object D the time for which the force acts on the object

1 marks

Answer: B

This question in 0654/12 May/June 2019

31 Which energy source is non-renewable? A geothermal B hydroelectric C nuclear fission D wind

1 marks

Answer: C

This question in 0654/12 May/June 2019

30 To calculate the work done by a force on an object, the size of the force must be known. Which other quantity must be known? A the acceleration of the object in the direction of the force B the distance moved by the object in the direction of the force C the final speed of the object D the time for which the force acts on the object

1 marks

Answer: B

This question in 0654/13 May/June 2019

31 Which energy source is non-renewable? A geothermal B hydroelectric C nuclear fission D wind

1 marks

Answer: C

This question in 0654/13 May/June 2019

30 An engine is doing work on a car as the car moves along a road. Which two changes must result in less work being done on the car by the engine? A decreasing the engine’s force on the car and decreasing the distance moved by the car B decreasing the engine’s force on the car and increasing the distance moved by the car C increasing the engine’s force on the car and decreasing the distance moved by the car D increasing the engine’s force on the car and increasing the distance moved by the car

1 marks

Answer: A

This question in 0654/11 Oct/Nov 2019

31 The table shows four sources of energy used to generate electricity. Which source is shown with a statement of whether it is renewable and whether it is reliable at all times? source renewable reliable at all times A coal yes no B nuclear fission no yes C tides no no D wind yes yes

1 marks

Answer: B

This question in 0654/11 Oct/Nov 2019

30 Four cars travel up the same hill. They have different masses and take different times to travel up the hill. Which car is supplying the most useful power? mass of time taken to car / kg travel up hill / s A 1500 10 B 1500 20 C 3000 10 D 3000 20

1 marks

Answer: C

This question in 0654/12 Oct/Nov 2019

31 A ball is dropped from rest and falls. Which row describes the kinetic energy and the gravitational potential energy of the ball immediately after it is released? gravitational kinetic energy potential energy A decreasing decreasing B decreasing increasing C increasing decreasing D increasing increasing

1 marks

Answer: C

This question in 0654/12 Oct/Nov 2019

30 Four cars are driven the same distance along a straight, horizontal road. The table shows the work done by the engine in each car and the time taken by each car. Which engine produces the most power? work done by time taken / s engine / J A 50 000 20 B 50 000 40 C 100 000 20 D 100 000 40

1 marks

Answer: C

This question in 0654/13 Oct/Nov 2019

28 Which is a unit of energy? A J B kg C N D W

1 marks

Answer: A

This question in 0654/11 May/June 2020

31 Which statement describes the production of electricity from a renewable energy source? A Coal is burnt to release energy to make steam that turns a generator. B Moving air passes over blades that rotate and turn a generator. C Nuclear fission releases energy to make steam that turns a generator. D Oil is burnt to release energy to make steam that turns a generator.

1 marks

Answer: B

This question in 0654/11 May/June 2020

31 Which source of energy is renewable? A coal B geothermal C natural gas D nuclear

1 marks

Answer: B

This question in 0654/12 May/June 2020

30 Electricity is generated in power stations. Many power stations use steam to drive turbines. Which type of power station does not use steam? A chemical energy (fuel) power stations B geothermal energy power stations C hydroelectric energy power stations D nuclear energy power stations

1 marks

Answer: C

This question in 0654/11 Oct/Nov 2020

30 Electricity is generated in power stations. Many power stations use steam to drive turbines. Which type of power station does not use steam? A chemical energy (fuel) power stations B geothermal energy power stations C hydroelectric energy power stations D nuclear energy power stations

1 marks

Answer: C

This question in 0654/12 Oct/Nov 2020

30 Electricity is generated in power stations. Many power stations use steam to drive turbines. Which type of power station does not use steam? A chemical energy (fuel) power stations B geothermal energy power stations C hydroelectric energy power stations D nuclear energy power stations

1 marks

Answer: C

This question in 0654/13 Oct/Nov 2020

31 A force acts on an object and moves it through a distance. Which force does the least amount of work? force / N distance / m A 1.0 1.0 B 1.0 10.0 C 10.0 1.0 D 10.0 10.0

1 marks

Answer: A

This question in 0654/12 Feb/March 2021

31 The diagram shows a man diving into water. Which form of energy is increasing as he accelerates downwards through the air? A chemical B elastic potential (strain) C gravitational potential D kinetic

1 marks

Answer: D

This question in 0654/11 May/June 2021

32 Which two quantities are used to calculate power? A distance moved and time taken B speed and distance moved C work done and speed D work done and time taken

1 marks

Answer: D

This question in 0654/11 May/June 2021

31 The diagram shows a man diving into water. Which form of energy is increasing as he accelerates downwards through the air? A chemical B elastic potential (strain) C gravitational potential D kinetic

1 marks

Answer: D

This question in 0654/12 May/June 2021

31 The diagram shows a man diving into water. Which form of energy is increasing as he accelerates downwards through the air? A chemical B elastic potential (strain) C gravitational potential D kinetic

1 marks

Answer: D

This question in 0654/13 May/June 2021

30 A ball falls vertically downwards. Which energy transfer takes place as the ball accelerates downwards? A gravitational potential to elastic potential (strain) B gravitational potential to kinetic C elastic potential (strain) to kinetic D kinetic to gravitational potential

1 marks

Answer: B

This question in 0654/11 Oct/Nov 2021

31 Four cars travel the same distance directly up the same steep hill. The weights of the cars and the times for their journeys are shown in the table. Which car develops the greatest power? weight of car / N time taken / s A 15 000 10 B 15 000 15 C 20 000 10 D 20 000 15

1 marks

Answer: C

This question in 0654/11 Oct/Nov 2021

30 A stone falls from a bench. Which row describes how the gravitational potential energy and the kinetic energy of the stone change as it falls? gravitational kinetic energy potential energy A decreases increases B decreases stays the same C increases decreases D increases stays the same

1 marks

Answer: A

This question in 0654/12 Oct/Nov 2021

31 Four different kettles contain different masses of water. They are used to heat the water from 20 C to 100 C. Each kettle takes a different amount of time to do this. Which kettle has the lowest useful power output? mass of time to heat water water / g to 100 C / minute A 1000 3.0 B 1000 5.0 C 2500 3.0 D 2500 5.0

1 marks

Answer: B

This question in 0654/12 Oct/Nov 2021

31 Which type of energy does an object have due to its motion? A elastic potential B gravitational potential C kinetic D nuclear

1 marks

Answer: C

This question in 0654/13 Oct/Nov 2021

30 A crane does work on a load by lifting it vertically upwards. load Which action decreases the work done on the load? A lifting the load higher B lifting the load more slowly C reducing the mass of the load D using a more powerful crane

1 marks

Answer: C

This question in 0654/12 Feb/March 2022

31 Which source of energy is non-renewable? A hydroelectric B nuclear fission C tides D waves

1 marks

Answer: B

This question in 0654/12 Feb/March 2022

31 A student walks up some steps at constant speed. Which two quantities provide enough information so that the useful power produced by the student can be calculated? A the weight of the student and the time taken B the weight of the student and the total height of the steps C the work done by the student and the time taken D the work done by the student and the total height of the steps

1 marks

Answer: C

This question in 0654/11 May/June 2022

32 Which energy resource does not use a turbine and generator to produce electricity? A geothermal B nuclear fission C solar cells D wind

1 marks

Answer: C

This question in 0654/11 May/June 2022

30 A student lifts a box vertically from the floor and places it on a table. Which two quantities must be known in order to calculate the work done on the box by the student? A the force used to lift the box and the height of the table B the force used to lift the box and the time taken to lift the box C the volume of the box and the height of the table D the volume of the box and the time taken to lift the box

1 marks

Answer: A

This question in 0654/12 May/June 2022

31 Which energy resource does not use a turbine and generator to produce electricity? A geothermal B nuclear fission C solar cells D wind

1 marks

Answer: C

This question in 0654/12 May/June 2022

30 A student lifts a box vertically from the floor and places it on a table. Which two quantities must be known in order to calculate the work done on the box by the student? A the force used to lift the box and the height of the table B the force used to lift the box and the time taken to lift the box C the volume of the box and the height of the table D the volume of the box and the time taken to lift the box

1 marks

Answer: A

This question in 0654/13 May/June 2022

31 Which energy resource does not use a turbine and generator to produce electricity? A geothermal B nuclear fission C solar cells D wind

1 marks

Answer: C

This question in 0654/13 May/June 2022

31 Which electrical device transfers chemical energy into electrical energy? A battery B lamp C electric motor D television

1 marks

Answer: A

This question in 0654/11 Oct/Nov 2022

32 From which type of energy is electrical energy transferred in a hydroelectric power station? A chemical potential energy B elastic potential (strain) energy C gravitational potential energy D nuclear energy

1 marks

Answer: C

This question in 0654/11 Oct/Nov 2022

31 Two forklift trucks P and Q lift identical loads through the same vertical height. Truck P takes a greater time than truck Q to lift the load. Which statement is correct? A Truck P does more work than truck Q. B Truck P produces more power than truck Q. C Truck Q does more work than truck P. D Truck Q produces more power than truck P.

1 marks

Answer: D

This question in 0654/12 Oct/Nov 2022

32 From which type of energy is electrical energy transferred in a hydroelectric power station? A chemical potential energy B elastic potential (strain) energy C gravitational potential energy D nuclear energy

1 marks

Answer: C

This question in 0654/12 Oct/Nov 2022

31 From which type of energy is electrical energy transferred in a hydroelectric power station? A chemical potential energy B elastic potential (strain) energy C gravitational potential energy D nuclear energy

1 marks

Answer: C

This question in 0654/13 Oct/Nov 2022

31 A machine takes a certain time to do a certain quantity of work. Which pair of changes must increase the power of the machine? A decreasing the work done and decreasing the time taken B decreasing the work done and increasing the time taken C increasing the work done and decreasing the time taken D increasing the work done and increasing the time taken

1 marks

Answer: C

This question in 0654/12 Feb/March 2023

32 Which source of energy is non-renewable? A chemical energy in a fossil fuel B energy in tides C geothermal energy D wind energy

1 marks

Answer: A

This question in 0654/12 Feb/March 2023

32 A skier starts from rest at P, accelerates down a slope and then comes to rest at Q. skier P Q Which series of energy transfers takes place? A elastic potential (strain) energy → kinetic energy → thermal energy B gravitational potential energy → kinetic energy → thermal energy C kinetic energy → elastic potential (strain) energy → thermal energy D kinetic energy → gravitational potential energy → thermal energy

1 marks

Answer: B

This question in 0654/11 May/June 2023

30 Electricity is generated using different sources of energy. Which energy source is non-renewable? A coal B hydroelectric C solar D wind

1 marks

Answer: A

This question in 0654/12 May/June 2023

30 Electricity is generated using different sources of energy. Which energy source is non-renewable? A coal B hydroelectric C solar D wind

1 marks

Answer: A

This question in 0654/13 May/June 2023

31 Which two energy sources are both non-renewable? A oil and geothermal resources B oil and natural gas C tides and geothermal resources D tides and wind

1 marks

Answer: B

This question in 0654/11 Oct/Nov 2023

31 A horizontal force acts on a block. The block moves in the direction of the force. Which two quantities affect the work done by the force on the block? A magnitude of force and distance moved B magnitude of force and mass of block C magnitude of force and volume of block D magnitude of force and weight of block

1 marks

Answer: A

This question in 0654/12 Oct/Nov 2023

30 A machine does a certain quantity of work in a certain time. Which changes to the quantity of work done and to the time taken both decrease the power produced by the machine? work done time taken A decrease decrease B decrease increase C increase decrease D increase increase

1 marks

Answer: B

This question in 0654/13 Oct/Nov 2023

30 Some energy resources do not require a rotating turbine when used to generate electricity. Which energy resource does not require a rotating turbine? A geothermal B nuclear C solar D wind

1 marks

Answer: C

This question in 0654/12 Feb/March 2024

31 The power rating of an electric kettle is 1500 W. What does this mean? A The kettle requires 1500 J to boil water. B The kettle takes 1500 s to boil water. C The kettle transfers 1500 J of energy every second. D The weight of the kettle is 1500 N.

1 marks

Answer: C

This question in 0654/11 May/June 2024

31 What is the energy source for a wind turbine that is producing electricity? A chemical potential energy of wind B gravitational potential energy of wind C kinetic energy of wind D thermal energy of wind

1 marks

Answer: C

This question in 0654/12 May/June 2024

31 What is the energy source for a wind turbine that is producing electricity? A chemical potential energy of wind B gravitational potential energy of wind C kinetic energy of wind D thermal energy of wind

1 marks

Answer: C

This question in 0654/13 May/June 2024

30 When a ball is kicked vertically upwards, its initial kinetic energy is 12 J. When the ball arrives back at its starting point, its kinetic energy is 8.0 J. Which statement explains the change in the kinetic energy of the ball? A 4.0 J of work is done to increase the gravitational potential energy of the ball. B 4.0 J of work is done to overcome air resistance. C 20 J of work is done to increase the gravitational potential energy of the ball. D 20 J of work is done to overcome air resistance.

1 marks

Answer: B

This question in 0654/11 Oct/Nov 2024

31 A motor lifts a load vertically upwards at constant speed. The weight of the load is known. Which of the other quantities in the table must be known to determine the useful power output of the motor? height lifted | “ne fo im A J Jv key B Jv x /¥ = this quantity is needed Cc x v X = this quantity is not needed D x x

1 marks

Answer: A

This question in 0654/11 Oct/Nov 2024

30 A worker exerts a force on a box to move it across a horizontal surface. Which of the two quantities in the table affect the amount of work done by the force? magnitude of distance moved the force by the box v v key J/ = affects the work done WA x x Jv X = does not affect the work done x x

1 marks

Answer: A

This question in 0654/12 Oct/Nov 2024

31 What is the useful energy transfer in a wind turbine? A electrical energy to thermal energy B gravitational potential energy to kinetic energy C kinetic energy to electrical energy D thermal energy to gravitational potential energy

1 marks

Answer: C

This question in 0654/12 Oct/Nov 2024

30 A worker exerts a force on a box to move it across a horizontal surface. Which of the two quantities in the table affect the amount of work done by the force? magnitude of distance moved the force by the box v v key J/ = affects the work done WA x x Jv X = does not affect the work done x x

1 marks

Answer: A

This question in 0654/13 Oct/Nov 2024

31 What is the useful energy transfer in a wind turbine? A electrical energy to thermal energy B gravitational potential energy to kinetic energy C kinetic energy to electrical energy D thermal energy to gravitational potential energy

1 marks

Answer: C

This question in 0654/13 Oct/Nov 2024

30 Which energy resource is non-renewable? A geothermal B natural gas C tides D wind

1 marks

Answer: B

This question in 0654/12 Feb/March 2025

29 What is a unit of energy? A W B N C kg D J

1 marks

Answer: D

This question in 0654/11 Oct/Nov 2025

30 Which method of generating electrical power causes carbon dioxide to be released into the atmosphere? A combustion of fossil fuels B nuclear fission C use of solar cells D use of wind turbines

1 marks

Answer: A

This question in 0654/11 Oct/Nov 2025

30 A student runs up some stairs. Which quantities are used to calculate the power of the student? A the weight of the student and the vertical distance moved B the weight of the student and the time taken C the work done by the student and the vertical distance moved D the work done by the student and the time taken

1 marks

Answer: D

This question in 0654/12 Oct/Nov 2025

30 A student runs up some stairs. Which quantities are used to calculate the power of the student? A the weight of the student and the vertical distance moved B the weight of the student and the time taken C the work done by the student and the vertical distance moved D the work done by the student and the time taken

1 marks

Answer: D

This question in 0654/13 Oct/Nov 2025