Pearson Edexcel International GCSE (9–1) · PHYSICS · Unit
Solids, Liquids and Gases
279 practice questions
Topics covered
Practice questions
41–50 of 133 · Easy
Question 41
1 mark · Easy
Answer and see the solution →A stone is denser than water. What will happen if you place the stone in a beaker of water? State why.
Question 42
1 mark · Easy
Answer and see the solution →State the SI unit for pressure.
Question 43
1 mark · Easy
Answer and see the solution →Complete the following sentence: Pressure increases if the same force is applied over a ________ area.
Question 44
2 marks · Easy
Answer and see the solution →A force of 150 N acts at right angles on an area of 0.5 m². Calculate the pressure exerted. Give your answer in pascals.
Question 45
1 mark · Easy
Answer and see the solution →Object Force (N) Area (m²) A 400 0.8 B 300 0.5 C 200 0.2 D 600 2.0 Which object exerts the greatest pressure on the ground?
- A.A
- B.B
- C.C
- D.D
Question 46
1 mark · Easy
Answer and see the solution →Give one example of how understanding pressure under a solid is useful in everyday life.
Question 47
2 marks · Easy
Answer and see the solution →A brick weighing 120 N rests flat on the ground with one face of area 0.3 m². Calculate the pressure it exerts on the ground.
Question 48
1 mark · Easy
Answer and see the solution →A metal spike is driven into the ground with a force. Explain why its pointed end helps it go in more easily.
Question 49
2 marks · Easy
Answer and see the solution →(a)[1 mark]Write the equation linking pressure, force and area. Use standard symbols.
(b)[1 mark]What is the pressure produced by a force of 50 N acting on an area of 0.25 m²? Show your working.
Question 50
1 mark · Easy
Answer and see the solution →State what is meant by the term "pressure acts equally in all directions" in a liquid at rest.