Energy, work and power — Paper 2 · IGCSE Science - Combined 0653

31 A lifting system contains an electric motor with an input power of 500 W. The system has an efficiency of 60%. How much power is wasted by the lifting system? A 200 W B 300 W C 20 000 W D 30 000 W

1 marks

Answer: A

This question in 0653/22 Feb/March 2017

33 Diagram 1 shows a force F lifting a weight through a height h. Diagram 2 shows the same force F lifting the same weight through a height 2h. In both cases, air resistance and friction are negligible. force F force F 2h h weight weight diagram 1 diagram 2 Each lift can take either 1 s or 10 s. Which row shows the greatest power being developed when the weight is lifted? height time taken lifted for the lift / s A h 1 B h 10 C 2h 1 D 2h 10

1 marks

Answer: C

This question in 0653/22 Feb/March 2017

31 A brick of mass of 3.0 kg rests on a shelf. The brick drops off the shelf. The brick hits the ground at a speed of 8.0 m / s. Air resistance can be ignored. The acceleration of free fall g is 10 m / s2. How much kinetic energy did the brick have just before it hit the ground, and how much potential energy did the brick have when it was on the shelf? kinetic energy potential before hitting energy on shelf ground / J / J A 24 24 B 24 96 C 96 0 D 96 96

1 marks

Answer: D

This question in 0653/21 May/June 2017

31 A brick of mass of 3.0 kg rests on a shelf. The brick drops off the shelf. The brick hits the ground at a speed of 8.0 m / s. Air resistance can be ignored. The acceleration of free fall g is 10 m / s2. How much kinetic energy did the brick have just before it hit the ground, and how much potential energy did the brick have when it was on the shelf? kinetic energy potential before hitting energy on shelf ground / J / J A 24 24 B 24 96 C 96 0 D 96 96

1 marks

Answer: D

This question in 0653/22 May/June 2017

31 A brick of mass of 3.0 kg rests on a shelf. The brick drops off the shelf. The brick hits the ground at a speed of 8.0 m / s. Air resistance can be ignored. The acceleration of free fall g is 10 m / s2. How much kinetic energy did the brick have just before it hit the ground, and how much potential energy did the brick have when it was on the shelf? kinetic energy potential before hitting energy on shelf ground / J / J A 24 24 B 24 96 C 96 0 D 96 96

1 marks

Answer: D

This question in 0653/23 May/June 2017

31 A panel of solar cells is 15% efficient. The power supplied by the Sun to the panel is 40 kW. What is the output power of the panel? A 2.7 kW B 6.0 kW C 25 kW D 34 kW

1 marks

Answer: B

This question in 0653/21 Oct/Nov 2017

31 A 600 W motor is 75% efficient. The motor is used to do 3600 J of useful work. How long does it take the motor to do this work? A 4.5 s B 6.0 s C 8.0 s D 24 s

1 marks

Answer: C

This question in 0653/22 Oct/Nov 2017

31 A motor is used to lift a load of 3000 N through a vertical height of 40 m in 2.0 minutes. How much useful power does the motor produce? A 1000 W B 9000 W C 60 000 W D 240 000 W

1 marks

Answer: A

This question in 0653/23 Oct/Nov 2017

31 Which energy resource is non-renewable? A geothermal energy B hydroelectric energy C nuclear energy D wave energy

1 marks

Answer: C

This question in 0653/22 Feb/March 2018

32 A force of 20 N does 10 J of work when it moves an object through a distance d in the direction of the force. What is distance d? A 0.50 m B 2.0 m C 10 m D 200 m

1 marks

Answer: A

This question in 0653/22 Feb/March 2018

38 A lamp is labelled 12 V, 25 W. How much electrical energy does the lamp convert in 4.0 minutes when lit at its normal brightness? A 100 J B 1200 J C 6000 J D 72 000 J

1 marks

Answer: C

This question in 0653/22 Feb/March 2018

31 Electricity can be obtained from the energy in water behind a hydroelectric dam. Is this energy resource renewable, and in which form is its energy stored? renewable form of energy A no chemical B no gravitational potential C yes chemical D yes gravitational potential

1 marks

Answer: D

This question in 0653/21 May/June 2018

32 A machine does 6.0 kJ of useful work in 20 minutes. How much useful power does it produce? A 0.30 W B 5.0 W C 120 W D 300 W

1 marks

Answer: B

This question in 0653/21 May/June 2018

39 A 240 V mains supply causes a current of 4.00 A in a heater. How much energy is transferred in the heater in 5.00 minutes? A 192 J B 4800 J C 18 000 J D 288 000 J

1 marks

Answer: D

This question in 0653/21 May/June 2018

30 A train is travelling along a straight, horizontal track at constant speed. The work done by the train is recorded as it travels through a measured distance. Which quantity can be calculated using only these two pieces of information? A force exerted by the train B speed of the train C time taken to travel this distance D weight of the train

1 marks

Answer: A

This question in 0653/22 May/June 2018

30 A copper block is pulled down a rough slope at a constant speed. Which form of energy of the block increases? A chemical B gravitational C kinetic D thermal

1 marks

Answer: D

This question in 0653/23 May/June 2018

31 A weightlifter lifts 150 kg through a distance of 2.0 m in a time of 1.5 s. The acceleration of free fall g is 10 m / s2. How much power does she produce? A 200 W B 450 W C 2000 W D 4500 W

1 marks

Answer: C

This question in 0653/23 May/June 2018

31 A brick of mass 4.0 kg rests on a window ledge. It falls off the window ledge and drops through a height of 5.0 m to the ground. The acceleration of free fall g is 10 m / s2. Air resistance can be ignored. Which row states the kinetic energy and the speed of the brick just before it hits the ground? kinetic energy speed of brick of brick / J m / s A 20 2.2 B 20 3.2 C 200 7.1 D 200 10

1 marks

Answer: D

This question in 0653/21 Oct/Nov 2018

31 A brick of mass 4.0 kg rests on a window ledge. It falls off the window ledge and drops through a height of 5.0 m to the ground. The acceleration of free fall g is 10 m / s2. Air resistance can be ignored. Which row states the kinetic energy and the speed of the brick just before it hits the ground? kinetic energy speed of brick of brick / J m / s A 20 2.2 B 20 3.2 C 200 7.1 D 200 10

1 marks

Answer: D

This question in 0653/22 Oct/Nov 2018

31 A brick of mass 4.0 kg rests on a window ledge. It falls off the window ledge and drops through a height of 5.0 m to the ground. The acceleration of free fall g is 10 m / s2. Air resistance can be ignored. Which row states the kinetic energy and the speed of the brick just before it hits the ground? kinetic energy speed of brick of brick / J m / s A 20 2.2 B 20 3.2 C 200 7.1 D 200 10

1 marks

Answer: D

This question in 0653/23 Oct/Nov 2018

38 A lamp has a potential difference V across it that causes a current I in it. Which equation gives the power P produced by the lamp? I V A P = V B P = I C P = IV D P = I + V

1 marks

Answer: C

This question in 0653/23 Oct/Nov 2018

30 The diagram shows a cyclist riding along a hilly road. At which position does the cyclist have the least gravitational potential energy? B C D A

1 marks

Answer: A

This question in 0653/22 Feb/March 2019

38 There is a current of 2.0 A in a resistor. The power produced in the resistor is 8.0 W. What is the potential difference across the resistor? A 0.25 V B 4.0 V C 10 V D 16 V

1 marks

Answer: B

This question in 0653/21 May/June 2019

29 A metal ball of mass 0.050 kg is released from rest and falls to the ground. It hits the ground with kinetic energy 1.2 J. The gravitational field strength is 10 N / kg. Air resistance can be ignored. From what height above the ground is the ball released? A 0.042 m B 0.42 m C 2.4 m D 24 m

1 marks

Answer: C

This question in 0653/22 May/June 2019

30 Which mode of transport uses a renewable energy source? A a coal-fired steam train B a nuclear-powered submarine C a petrol-engined car D a sailing boat moved by the wind

1 marks

Answer: D

This question in 0653/22 May/June 2019

31 A body moving with a speed of 2.0 m / s has a kinetic energy of 8.0 J. What is the mass of the body? A 1.0 kg B 2.0 kg C 4.0 kg D 8.0 kg

1 marks

Answer: C

This question in 0653/23 May/June 2019

31 Which device uses a non-renewable energy source? A diesel engine B solar cell C water turbine D windmill

1 marks

Answer: A

This question in 0653/21 Oct/Nov 2019

31 The diagram shows a load attached to a spring. spring P load Q The load is pulled down and then released so that it oscillates between point P (highest point) and point Q (lowest point). Which form of energy does the load have at point P? A gravitational potential energy only B kinetic energy only C kinetic energy and gravitational potential energy D neither kinetic energy nor gravitational potential energy

1 marks

Answer: A

This question in 0653/22 Oct/Nov 2019

31 Some energy resources are less reliable than others. Which type of power station cannot produce electricity at all times? A coal-fired power station B geothermal power station C hydroelectric power station D solar power station

1 marks

Answer: D

This question in 0653/23 Oct/Nov 2019

40 There is a current I in a resistor and a potential difference V across it. Which equation gives the energy E transferred by the resistor in a time t ? I V t A E = B E = C E = D E = IVt Vt I t V I

1 marks

Answer: D

This question in 0653/23 Oct/Nov 2019

30 A heavy bag of flour is dragged against friction along a horizontal floor at a constant speed of 12 m / s for 2.0 s. The energy input required is 3000 J. What is the force due to friction? A 125 N B 500 N C 18 000 N D 72 000 N

1 marks

Answer: A

This question in 0653/22 Feb/March 2020

31 A toy car rolls from rest down a slope and on to a horizontal bench. The car stops before it reaches the end of the bench. What energy changes take place during this journey? A gravitational potential → kinetic → elastic potential B gravitational potential → kinetic → thermal and sound C kinetic → gravitational potential → elastic potential D kinetic → gravitational potential → thermal and sound

1 marks

Answer: B

This question in 0653/22 Feb/March 2020

32 Which statement about a tidal energy power station is correct? A It creates no environmental impact when being built. B It does not work at night. C It does not work when there is no wind. D It supplies energy at predictable times.

1 marks

Answer: D

This question in 0653/22 Feb/March 2020

32 A force of 4.0 N acts on a body for 6.0 s. The body moves a distance of 15 m in the direction of the force. How much energy is transferred? A 10 J B 24 J C 60 J D 360 J

1 marks

Answer: C

This question in 0653/21 May/June 2020

31 A force F acts on a body of mass m for a time t. In this time, the speed of the body increases from speed u to speed v and the body travels a distance d. Which expression gives the work done by the force on the body? A F × d B F × t C F × u D F × v

1 marks

Answer: A

This question in 0653/22 May/June 2020

32 Four objects P, Q, R and S are moving. The table shows the mass and speed of each object. speed mass / kg m / s P 1.0 4.0 Q 2.0 1.0 R 1.0 2.0 S 4.0 1.0 Which two objects have equal kinetic energy? A P and R B P and S C Q and R D R and S

1 marks

Answer: D

This question in 0653/22 May/June 2020

39 A 12 V power supply is connected to a 6.0 Ω resistor. This causes a current in the resistor. How much thermal energy is produced in the resistor in 5.0 minutes? A 120 J B 600 J C 7200 J D 21 600 J

1 marks

Answer: C

This question in 0653/22 May/June 2020

31 An apple falls to the ground. Which form of energy decreases as the apple falls? A chemical potential B gravitational potential C kinetic D sound

1 marks

Answer: B

This question in 0653/21 Oct/Nov 2020

32 A builder drops a brick from a height of 15 m above the ground. The gravitational field strength g is 10 N / kg. What is the speed of the brick as it hits the ground? A 12 m / s B 17 m / s C 150 m / s D 300 m / s

1 marks

Answer: B

This question in 0653/21 Oct/Nov 2020

40 The diagram shows an electric circuit. 8.0 V 2.0 A 4.0 Ω The battery of electromotive force (e.m.f.) 8.0 V produces a current of 2.0 A in a 4.0  resistor. How much power is delivered to the resistor? A 0.25 W B 4.0 W C 16 W D 64 W

1 marks

Answer: C

This question in 0653/21 Oct/Nov 2020

31 A device uses 0.50 kJ of energy in 25 minutes. What is the power of the device? A 0.33 W B 12.5 W C 20 W D 750 W

1 marks

Answer: A

This question in 0653/22 Oct/Nov 2020

40 The current in the starter motor of a car is 400 A when it is connected to a 12 V battery. How much energy is delivered to the starter motor in 2.0 seconds? A 0.060 J B 67 J C 2400 J D 9600 J

1 marks

Answer: D

This question in 0653/22 Oct/Nov 2020

31 A crane raises a mass of 200 kg through a vertical distance of 12 m. The gravitational field strength g is 10 N / kg. How much work is done on the mass? A 17 J B 170 J C 2400 J D 24 000 J

1 marks

Answer: D

This question in 0653/23 Oct/Nov 2020

32 A car of mass 1200 kg travels at a speed of 15 m / s. The speed of the car now increases to 25 m / s. What is the increase in the kinetic energy of the car? A 60 000 J B 135 000 J C 240 000 J D 375 000 J

1 marks

Answer: C

This question in 0653/23 Oct/Nov 2020

33 For which energy resource is the Sun the only source? A geothermal B natural gas C nuclear D tidal

1 marks

Answer: B

This question in 0653/23 Oct/Nov 2020

31 Diagram 1 shows a load hanging on a spring. Diagram 2 shows the load pulled down. diagram 1 diagram 2 When the load is pulled down, what happens to the gravitational potential energy of the load and the elastic potential (strain) energy of the spring? gravitational potential elastic potential energy of load energy of spring A decreases decreases B decreases increases C increases decreases D increases increases

1 marks

Answer: B

This question in 0653/22 Feb/March 2021

32 A load of mass 50 kg is lifted vertically by 8.0 m in 20 s. The gravitational field strength g is 10 N / kg. How much power is developed in lifting the load? A 125 W B 200 W C 1600 W D 8000 W

1 marks

Answer: B

This question in 0653/22 Feb/March 2021

28 A boy runs up some stairs. Which two physical quantities are used to calculate the power he develops? A his mass and his acceleration B his mass and the time taken C the work done and the time taken D the work done and the vertical distance moved

1 marks

Answer: C

This question in 0653/21 May/June 2021

31 Work W is done when a force F moves an object a distance d in the direction of the force. Which equation gives the distance d ? d = F  W d = F d = W A d = F + W B C W D F

1 marks

Answer: D

This question in 0653/21 May/June 2021

32 Which row contains a renewable and a non-renewable energy resource in the correct column? renewable non-renewable A geothermal wind B geothermal coal C oil wind D oil coal

1 marks

Answer: B

This question in 0653/21 May/June 2021

39 A lamp is labelled 12 V, 25 W. How much electrical energy does the lamp transfer in 4.0 minutes when it is operating at its normal brightness? A 100 J B 1200 J C 6000 J D 72 000 J

1 marks

Answer: C

This question in 0653/21 May/June 2021

30 An athlete of mass 62 kg jumps through a vertical height of 1.25 m. As he moves upwards, all his initial kinetic energy is transferred to gravitational potential energy. The gravitational field strength g is 10 N / kg. What is the initial speed of the athlete? A 2.5 m / s B 3.5 m / s C 5.0 m / s D 12.4 m / s

1 marks

Answer: C

This question in 0653/22 May/June 2021

39 A lamp is labelled 12 V, 25 W. How much electrical energy does the lamp transfer in 4.0 minutes when it is operating at its normal brightness? A 100 J B 1200 J C 6000 J D 72 000 J

1 marks

Answer: C

This question in 0653/22 May/June 2021

30 A student does 10 J of work when lifting an object through a vertical distance of 2.0 m. What is the size of the force that the student exerts on the object? A 0.20 N B 5.0 N C 12 N D 20 N

1 marks

Answer: B

This question in 0653/23 May/June 2021

31 Which source of energy is non-renewable? A chemical energy stored in fossil fuels B energy stored in waves C energy stored in water behind a hydroelectric dam D wind energy

1 marks

Answer: A

This question in 0653/23 May/June 2021

29 A ball of mass m is thrown vertically upwards with an initial speed v. The gravitational field strength is g. What is the kinetic energy of the ball when it has risen through a height h above its starting point? A 2 (mv)2 + mgh 1 B 2 (mv)2 – mgh 1 C 2 mv2 + mgh 1 D 2 mv2 – mgh 1

1 marks

Answer: D

This question in 0653/21 Oct/Nov 2021

31 A force pushes an object in a straight line. Which expression gives the work done by the force? A force  distance moved B force  time taken C force  distance moved D force  time taken

1 marks

Answer: A

This question in 0653/23 Oct/Nov 2021

31 An object of mass m is travelling at speed v at a constant height h above the ground. Which expressions give the kinetic energy and the gravitational potential energy of the object? gravitational kinetic energy potential energy 2 mv 2 mg A 1 h B 2 mv 2 1 mgh 2 (mv)2 mg C 1 h D 2 (mv)2 1 mgh

1 marks

Answer: B

This question in 0653/22 Feb/March 2022

32 A motor is used to lift a load of 3000 N through a vertical distance of 40 m in 2.0 minutes. How much useful power does the motor produce? A 1000 W B 9000 W C 60 000 W D 240 000 W

1 marks

Answer: A

This question in 0653/22 Feb/March 2022

33 Electricity is generated in different power stations that use coal, hydroelectric dams, nuclear fission or geothermal resources. How is a hydroelectric power station different from the other three types of power station? A It is the only power station that uses steam as part of the process. B It is the only power station that does not use steam as part of the process. C It is the only power station that uses a renewable form of energy. D It is the only power station that does not use a renewable form of energy.

1 marks

Answer: B

This question in 0653/22 Feb/March 2022

31 A boy of mass 80 kg is running at a speed of 4.0 m / s. What is his kinetic energy? A 160 J B 320 J C 640 J D 1280 J

1 marks

Answer: C

This question in 0653/21 May/June 2022

40 There is a current I in a resistor when there is a potential difference (p.d.) V across it. Which quantity is equal to the product IV ? A the charge passing through the resistor B the energy transferred in the resistor C the power transferred in the resistor D the resistance of the resistor

1 marks

Answer: C

This question in 0653/21 May/June 2022

29 A load of mass m is moved to the top of a slope of length p and vertical height q. load q p load Which expression gives the gravitational potential energy gained by the load? A mgp B mgq C mp D mq

1 marks

Answer: B

This question in 0653/22 May/June 2022

30 Motor X does 300 J of work in 10 s. Motor Y is twice as powerful as motor X. Which row gives possible values for the work done and the time taken for motor Y? work done / J time taken / s A 300 5 B 300 20 C 600 5 D 600 20

1 marks

Answer: A

This question in 0653/22 May/June 2022

31 Which group of energy sources consists of only renewable sources? A geothermal, nuclear, solar B geothermal, solar, wind C nuclear, solar, wind D oil, geothermal, solar

1 marks

Answer: B

This question in 0653/22 May/June 2022

30 A man lifts four heavy boxes from the ground onto a high shelf, one at a time. When does he develop the greatest power? A lifting a box of mass 20 kg in 3.0 s B lifting a box of mass 20 kg in 4.0 s C lifting a box of mass 30 kg in 3.0 s D lifting a box of mass 30 kg in 4.0 s

1 marks

Answer: C

This question in 0653/23 May/June 2022

39 A torch (flashlight) contains a 3.0 V battery. When the torch is switched on the current in the battery is 0.50 A. How much energy is transferred by the battery in 1.0 minute? A 1.5 J B 6.0 J C 90 J D 360 J

1 marks

Answer: C

This question in 0653/23 May/June 2022

32 For which energy resource is energy stored as gravitational potential energy? A geothermal energy B hydroelectric energy C nuclear fission D wind energy

1 marks

Answer: B

This question in 0653/21 Oct/Nov 2022

39 A 20 V power supply provides a current of 5.0 A for 1.0 minute. How much energy does the power supply transfer? A 4.0 J B 100 J C 240 J D 6000 J

1 marks

Answer: D

This question in 0653/21 Oct/Nov 2022

39 A 20 V power supply provides a current of 5.0 A for 1.0 minute. How much energy does the power supply transfer? A 4.0 J B 100 J C 240 J D 6000 J

1 marks

Answer: D

This question in 0653/22 Oct/Nov 2022

31 An object is falling in a vacuum. As the object falls, it passes through points P, Q and R. object P Q vacuum R Which statement describes the total quantity of energy of the object as it falls? A It is greatest at point P. B It is greatest at point Q. C It is greatest at point R. D It is the same at points P, Q and R.

1 marks

Answer: D

This question in 0653/22 Feb/March 2023

32 Four students have different masses. The students take different times to run the same distance up the same hill. The gravitational field strength is 10 N / kg. Which student produces the greatest power? mass of time taken student / kg / s A 50 11 B 55 11 C 60 16 D 85 16

1 marks

Answer: D

This question in 0653/22 Feb/March 2023

33 Which type of power station produces greenhouse gases when generating electricity? A coal-fired B geothermal C hydroelectric D wind-powered

1 marks

Answer: A

This question in 0653/22 Feb/March 2023

31 A 3.0 kW electric kettle is switched on for 30 seconds. Which row gives the equation that defines power and gives the energy transferred in the kettle? equation energy / J ∆ E A P = 90 t ∆ E B P = 90 000 t C P = ∆Et 0.10 D P = ∆Et 100

1 marks

Answer: B

This question in 0653/21 May/June 2023

32 Solar cells mounted on a boat produce electrical energy to power the motor. solar cells Which resource does this energy come from? A hydroelectric energy B light energy C tidal energy D wind energy

1 marks

Answer: B

This question in 0653/21 May/June 2023

30 Which form of energy is not a form of potential energy? A chemical B elastic C gravitational D sound

1 marks

Answer: D

This question in 0653/22 May/June 2023

31 A rock of mass 2000 kg has a kinetic energy of 64 000 J. What is the speed of the rock? A 5.7 m / s B 8.0 m / s C 32 m / s D 64 m / s

1 marks

Answer: B

This question in 0653/22 May/June 2023

32 An object has speed v and kinetic energy E. What is the mass of the object? E 2 E E 2 E A B C D v v v 2 v 2

1 marks

Answer: D

This question in 0653/23 May/June 2023

33 The generator in a power station is rotated by a turbine. Steam from boiling water rotates the turbine. Which energy source is used to produce electricity in this way? A hydroelectric energy B nuclear fission C tidal energy D wind energy

1 marks

Answer: B

This question in 0653/23 May/June 2023

31 A car has a kinetic energy of 200 kJ as it passes a point P on a straight horizontal road. A constant resultant force of 500 N then causes the car to accelerate. What is the kinetic energy of the car when it has travelled a distance of 50 m past P? A 2000 J B 25 000 J C 225 000 J D 5 000 000 J

1 marks

Answer: C

This question in 0653/21 Oct/Nov 2023

32 A man lifts a heavy load vertically, from the ground to above his head. load He then moves the load horizontally at constant speed. During which motion is work done on the load, and why? work is done reason A when lifting the force exerted on the load is at right angles to the direction of movement of the load B when lifting the force exerted on the load is in the same direction as the movement of the load C when moving horizontally the force exerted on the load is at right angles to the direction of movement of the load D when moving horizontally the force exerted on the load is in the same direction as the movement of the load

1 marks

Answer: B

This question in 0653/21 Oct/Nov 2023

33 Which statement about a tidal energy power station is correct? A It creates no environmental impact when being built. B It does not work at night. C It does not work when there is no wind. D It supplies energy at predictable times.

1 marks

Answer: D

This question in 0653/21 Oct/Nov 2023

30 A car has an initial kinetic energy of 120 kJ at the bottom of a slope. The car is driven up the slope. At the top of the slope, the car has 260 kJ of kinetic energy and has gained 570 kJ of gravitational potential energy. What is the total increase in kinetic energy and gravitational potential energy of the car as it moves up the slope? A 430 kJ B 710 kJ C 830 kJ D 950 kJ

1 marks

Answer: B

This question in 0653/22 Oct/Nov 2023

31 For which energy resource is the Sun the only source? A geothermal B natural gas C nuclear D tidal

1 marks

Answer: B

This question in 0653/22 Oct/Nov 2023

32 Which source of energy used on Earth is due mainly to the Moon? A geothermal B hydroelectric C tidal D wind

1 marks

Answer: C

This question in 0653/22 Oct/Nov 2023

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

1 marks

Answer: A

This question in 0653/23 Oct/Nov 2023

31 What is the main energy transfer that takes place in the Sun? A chemical potential energy to thermal energy B thermal energy to chemical potential energy C thermal energy to nuclear energy D nuclear energy to thermal energy

1 marks

Answer: D

This question in 0653/23 Oct/Nov 2023

39 A car has two headlamps connected in parallel to a 12 V battery. The power of each headlamp is 60 W. What is the total energy supplied by the battery to the two headlamps in 5.0 minutes? A 0.60 kJ B 18 kJ C 36 kJ D 430 kJ

1 marks

Answer: C

This question in 0653/23 Oct/Nov 2023

31 A parachutist falls at a constant speed. Her kinetic energy does not change. Which form of energy is increasing as she falls? A chemical energy B gravitational potential energy C nuclear energy D thermal energy

1 marks

Answer: D

This question in 0653/22 Feb/March 2024

32 A car of mass 1200 kg travels at a speed of 15 m / s. The speed of the car now increases to 25 m / s. What is the increase in the kinetic energy of the car? A 60 000 J B 135 000 J C 240 000 J D 375 000 J

1 marks

Answer: C

This question in 0653/22 Feb/March 2024

30 Which row shows the expressions for the gravitational potential energy (GPE) and the kinetic energy (KE) of an object? GPE KE mg 1 mv 2 A h 2 mg 1 (mv)2 B h 2 C mgh 1 mv 2 2 D mgh 1 (mv)2 2

1 marks

Answer: C

This question in 0653/21 May/June 2024

40 There is a current of 20 mA in an electrical component when there is a potential difference (p.d.) of 10 V across it. How much energy is transferred by the component in 30 minutes? A 6.0 J B 360 J C 6000 J D 360 000 J

1 marks

Answer: B

This question in 0653/21 May/June 2024

31 A block has a mass of 5.0 kg. A student pushes the block 5.0 m up a slope. The gravitational field strength is 10 N / kg. 5.0 m block 3.0 m push 4.0 m How much gravitational potential energy does the block gain? A 25 J B 150 J C 200 J D 250 J

1 marks

Answer: B

This question in 0653/22 May/June 2024

32 An automatic coffee maker has a power rating of 900 W and takes 3.0 minutes to make a cup of coffee. How much energy is transferred by the coffee maker when it makes a cup of coffee? A 5.0 J B 300 J C 2700 J D 162 000 J

1 marks

Answer: D

This question in 0653/22 May/June 2024

33 In which list are all the energy resources renewable? A geothermal, hydroelectric, nuclear B geothermal, tides, hydroelectric C tides, nuclear, coal D solar, wind, coal

1 marks

Answer: B

This question in 0653/22 May/June 2024

31 A worker exerts a horizontal force on a trolley. The trolley moves in a straight line along a horizontal surface. The worker pushes the trolley forwards for 5.0 m and then pulls it backwards for 2.0 m. The worker exerts a force of 200 N when pushing and when pulling. How much work does the worker do on the trolley? A 400 J B 600 J C 1000 J D 1400 J

1 marks

Answer: D

This question in 0653/23 May/June 2024

32 A stone of mass 0.30 kg is thrown upwards with an initial speed of 12 m / s. The speed of the stone decreases as the stone rises. By how much does the kinetic energy decrease when the stone reaches 4.0 m / s? A 2.4 J B 9.6 J C 19 J D 38 J

1 marks

Answer: C

This question in 0653/23 May/June 2024

40 What is the relationship between energy E transferred in a component, current I through it, potential difference (p.d.) V across it, and time t ? t I E = V I V t A E = B E = I V t C D E = I V t

1 marks

Answer: B

This question in 0653/23 May/June 2024

31 A wind-powered generator is used to charge a car battery. In which form is energy stored in the moving air, and in which form is energy stored in the charged battery? energy in energy in moving air charged battery A kinetic chemical B kinetic electrical C thermal chemical D thermal electrical

1 marks

Answer: A

This question in 0653/21 Oct/Nov 2024

32 For which energy resource is the Sun the main source of energy? A geothermal B nuclear C tidal D wind

1 marks

Answer: D

This question in 0653/21 Oct/Nov 2024

30 A luggage trolley is pushed with a horizontal force of 120 N. 120 N luggage trolley The trolley travels a distance of 500 cm in the direction of the force. How much work is done? A 24 J B 60 J C 600 J D 60 000 J

1 marks

Answer: C

This question in 0653/23 Oct/Nov 2024

31 A brick of mass 3.0 kg rests on a shelf. The brick falls from the shelf. The brick hits the ground at a speed of 8.0 m / s. Ignore air resistance. How much kinetic energy does the brick have just before hitting the ground, and how much gravitational potential energy does the brick have when on the shelf? kinetic energy gravitational before hitting potential energy ground / J on shelf / J A 24 24 B 24 96 C 96 0 D 96 96

1 marks

Answer: D

This question in 0653/23 Oct/Nov 2024

32 Which row states an advantage and a disadvantage of the energy resource given? energy resource advantage disadvantage A natural gas renewable produces carbon dioxide B nuclear fission no hazardous waste expensive to build a power station C solar energy does not produce carbon dioxide not always available D wind energy cheap to run non-renewable

1 marks

Answer: C

This question in 0653/23 Oct/Nov 2024

29 Four objects, P, Q, R and S, are moving. The table shows the mass and speed of each object. mass speed / kg m / s P 1.0 4.0 Q 2.0 1.0 R 1.0 2.0 S 4.0 1.0 Which two objects have equal kinetic energies? A P and R B P and S C Q and R D R and S

1 marks

Answer: D

This question in 0653/22 Feb/March 2025

29 A brick of mass 2.0 kg rests on a platform at a height of 15 m above the ground. The brick falls to the ground. The gravitational field strength g is 9.8 N / kg. What is the speed of the brick as it hits the ground? A 12 m / s B 17 m / s C 150 m / s D 290 m / s

1 marks

Answer: B

This question in 0653/22 May/June 2025

28 On planet R, there is no atmosphere and the acceleration of free fall g is 4.5 m / s2. A rock of mass 2.0 kg falls from rest on planet R and hits the ground 4.0 m below. What is the speed of the rock as it hits the ground? A 4.5 m / s B 6.0 m / s C 18 m / s D 36 m / s

1 marks

Answer: B

This question in 0653/23 May/June 2025

30 A boy runs up some stairs to get to the top. Which two quantities on their own are used to calculate the useful power transferred? A his weight and the height of the stairs B his weight and the time he takes to run up the stairs C the work he does and the height of the stairs D the work he does and the time he takes to run up the stairs

1 marks

Answer: D

This question in 0653/23 May/June 2025

29 A block of mass 20 kg is lifted up through vertical distance h. The gravitational potential energy of the block increases by 4.9 kJ. What is the value of h ? A 4.1 m B 25 m C 98 m D 245 m

1 marks

Answer: B

This question in 0653/21 Oct/Nov 2025

30 What is used to generate electrical power in a geothermal power station? A fossil fuels B hot rocks C light from the Sun D the wind

1 marks

Answer: B

This question in 0653/21 Oct/Nov 2025

29 A force of 2.0 N moves an object a distance of 40 cm in the direction of the force. What is the work done by the force? A 0.20 J B 0.80 J C 5.0 J D 80 J

1 marks

Answer: B

This question in 0653/22 Oct/Nov 2025

29 The diagram shows a box of mass m and weight W at the bottom of a set of steps. steps h box d The box is moved from the bottom of the steps to the top of the steps. Which two quantities on their own are used to determine the change in gravitational potential energy of the box? A h and d B h and m C W and d D W and h

1 marks

Answer: D

This question in 0653/23 Oct/Nov 2025

30 Energy is released by a nuclear process in a power station, and energy is released by a nuclear process in the Sun. Which row shows the process in a power station and the process in the Sun? a power station the Sun A nuclear fission nuclear fission B nuclear fission nuclear fusion C nuclear fusion nuclear fission D nuclear fusion nuclear fusion

1 marks

Answer: B

This question in 0653/23 Oct/Nov 2025