Pressure — Paper 2 · IGCSE Sciences - Co-ordinated (Double) 0654

29 A chair of weight 40 N rests on four legs. Each leg has an area of contact with the floor of 10 cm2. What is the pressure on the floor due to the chair? A 1.0 N / cm2 B 4.0 N / cm2 C 400 N / cm2 D 40 000 N / cm2

1 marks

Answer: A

This question in 0654/23 May/June 2019

29 A force F acting on an area A exerts a pressure P. What pressure is exerted by a force of 2F acting on an area 0.50A? A 0.50P B P C 2.0P D 4.0P

1 marks

Answer: D

This question in 0654/21 May/June 2020

28 A man carries a suitcase of mass of 30 kg. The area of contact with the man’s hand is 1.5 × 10–3 m2. The gravitational field strength g is 10 N / kg. What pressure is exerted on the man’s hand by the suitcase? A 0.045 Pa B 0.45 Pa C 20 000 Pa D 200 000 Pa

1 marks

Answer: D

This question in 0654/23 May/June 2020

29 A cylinder of weight W and cross-sectional area X exerts a pressure P on the ground. X Some changes are made to W and to X. Which row shows a situation that produces the same pressure P on the ground? W X A doubled doubled B doubled halved C unchanged doubled D unchanged halved

1 marks

Answer: A

This question in 0654/22 Oct/Nov 2020

28 A concrete block exerts a pressure on the ground. Which expression is used to calculate the pressure due to the block? A (mass of block)  (area of contact with the ground) ( mass of block ) B (area of contact with the ground) C (weight of block)  (area of contact with the ground) (weight of block ) D (area of contact with the ground)

1 marks

Answer: D

This question in 0654/23 Oct/Nov 2020

29 The table gives the weight and total area of contact with the ground of four animals. Which animal exerts the least pressure on the ground? area of animal weight / N contact / cm2 A beaver 270 220 B cat 41 29 C duck 16 72 D mouse 0.19 0.12

1 marks

Answer: C

This question in 0654/21 Oct/Nov 2021

30 What cannot be used as a unit for pressure? A N / m2 B N / cm2 C Pa D Pa / m2

1 marks

Answer: D

This question in 0654/22 Oct/Nov 2021

29 When driving cars on soft sand, drivers are advised to reduce the pressure of the air in the tyres. Why does this cause the cars to sink less into the sand? A The area of the tyres in contact with the sand is decreased. B The area of the tyres in contact with the sand is increased. C The downward force on the sand is decreased. D The downward force on the sand is increased.

1 marks

Answer: B

This question in 0654/23 Oct/Nov 2021

29 A force of 10 N is applied to a piston of area 0.10 m2, causing a pressure. This pressure is transmitted through a fluid to a piston of area 2.0 m2. What is the force on this piston? A 2.0 N B 20 N C 200 N D 2000 N

1 marks

Answer: C

This question in 0654/22 May/June 2022

29 A brick has a mass of 1.5 kg. It rests on the ground and the area of contact with the ground is 0.030 m2. A stack of such bricks is made by placing the bricks on top of each other, as shown. stack The pressure on the ground due to the stack must not exceed 5700 Pa. What is the maximum number of bricks that can be made into such a stack? gravitational field strength = 10 N / kg A 11 B 12 C 114 D 256

1 marks

Answer: A

This question in 0654/23 Oct/Nov 2022

31 Some gas is put in a sealed metal container of constant volume. The gas is now cooled. What happens to the average speed of the gas molecules, and what happens to the pressure of the gas? average speed pressure of gas of molecules A decreases decreases B decreases increases C increases decreases D increases increases

1 marks

Answer: A

This question in 0654/22 Feb/March 2023

30 A solid block of weight 14 N rests on a horizontal table. The pressure on the table due to the block is 70 Pa. What is the area of the surface of the block in contact with the table? A 0.20 m2 B 5.0 m2 C 98 m2 D 980 m2

1 marks

Answer: A

This question in 0654/22 May/June 2023

29 The diagram shows a cuboid box resting on the ground. The dimensions of the box are shown. 0.50 m 0.40 m 0.50 m The pressure on the ground due to the weight of the box is 50 Pa. What is the weight of the box? A 5.0 N B 10 N C 250 N D 500 N

1 marks

Answer: B

This question in 0654/23 May/June 2023

30 A rectangular block weighs 1200 N and has the dimensions shown. 10 cm 8.0 cm 15 cm What is the minimum pressure that the block can exert on the ground by standing on one of its faces? A 1.0 N / cm2 B 8.0 N / cm2 C 10 N / cm2 D 15 N / cm2

1 marks

Answer: B

This question in 0654/22 Oct/Nov 2023

30 Atmospheric pressure is 1.0  105 Pa. A football pitch is 105 m long and 68 m wide. What is the total weight of the air above the football pitch? A 14 N B 1.7  107 N C 3.5  107 N D 7.1  108 N

1 marks

Answer: D

This question in 0654/22 May/June 2025