Pearson Edexcel International GCSE (9–1) · PHYSICS · Chapter
Density and Pressure
72 practice questions
Topics covered
Practice questions
11–20 of 34 · Easy
Question 11
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 12
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 13
1 mark · Easy
Answer and see the solution →Give one example of how understanding pressure under a solid is useful in everyday life.
Question 14
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 15
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 16
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 17
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.
Question 18
2 marks · Easy
Answer and see the solution →A plastic bottle has four small holes at the same height, equally spaced around its side. The bottle is filled with coloured water.
(a)[1 mark]Describe what you observe as water flows from all four holes.
(b)[1 mark]Explain why this observation shows that liquid pressure acts equally in all directions at a point.
Question 19
2 marks · Easy
Answer and see the solution →A balloon filled with air pops. Explain, with reference to pressure in gases, why the pieces of the balloon fly out in all directions.
Question 20
1 mark · Easy
Answer and check →Which statement best describes the pressure at a point inside a stationary liquid?
- A.It only acts downwards.
- B.It acts equally in all directions.
- C.It acts only upwards.
- D.It acts only sideways.