Pearson Edexcel International GCSE (9–1) · PHYSICS · Section
Pressure under a solid
16 practice questions
Practice questions
1–8 of 8 · Normal
Question 1
1 mark · Normal
Answer and see the solution →State the equation linking pressure, force, and area for pressure under a solid. Use standard symbols.
Question 2
3 marks · Normal
Answer and see the solution →A wooden block of mass 5.0 kg rests on a flat table. The contact area between the block and the table is 0.20 m^2.
(a)[1 mark]Calculate the weight of the block. (Take g = 10 N/kg)
(b)[2 marks]Calculate the pressure exerted by the block on the table. Give your answer in pascals (Pa).
Question 3
2 marks · Normal
Answer and see the solution →Explain why a drawing pin can be pushed into wood much more easily than a thumb, even if the same force is applied.
Question 4
3 marks · Normal
Answer and see the solution →A metal object with a flat base is placed on the ground.
(a)[2 marks]The object exerts a force of 180 N over a contact area of 0.060 m^2. Calculate the pressure on the ground.
(b)[1 mark]State the SI unit for pressure.
Question 5
3 marks · Normal
Answer and see the solution →Describe a method you would use in the laboratory to determine the pressure exerted by a shoe on the ground. Include details of the measurements you would take.
Question 6
1 mark · Normal
Answer and check →Which of the following would increase the pressure exerted by a box on the floor, assuming its weight stays the same?
- A.Increasing the contact area of the box with the floor
- B.Placing a heavier object on top of the box
- C.Decreasing the contact area of the box with the floor
- D.Using a rough surface for the floor
Question 7
3 marks · Normal
Answer and see the solution →A man stands on one foot. His mass is 72 kg. The area of the sole of his foot is 0.032 m^2. Calculate the pressure he exerts on the floor. Take g = 10 N/kg.
Question 8
2 marks · Normal
Answer and see the solution →Table showing force and area for four objects on the ground. Object Force (N) Area (m^2) A 500 2.0 B 400 1.0 C 800 4.0 D 900 3.0 Which object exerts the greatest pressure on the ground? Show how you decided.