µ GCSE | Pressure

10 quick questions - for iGCSE

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10 minutes maximum! (can you do it in 5?)

This page for Edexcel and CIE international GCSEs only  

1. Which of the following formulas is used to calculate the pressure produced by a force?

  • A) pressure = force ÷ area
  • B) pressure = force x area
  • C) pressure = force ÷ volume
  • D) pressure = force x volume

2. A tractor produces a large downward force on an area of ground. What pressure is produced by a force of 8 kN acting on 0.2 m2?

  • A) 40 Pa
  • B) 16 Pa
  • C) 40 000 Pa
  • D) 1600 Pa

3. A block of weight 6 N rests on a desk as shown.

 

3. What pressure does the block above cause on the desk?

  • A) 300 Pa
  • B) 30 Pa
  • C) 1.2 Pa
  • D) 0.12 Pa

4. A heel on a shoe pushes on the floor with a force of 200 N, producing a pressure of 20 N/cm2. What is the area of the shoe heel?

  • A) 10 cm2
  • B) 0.1 cm2
  • C) 400 cm2
  • D) 4000 cm2

5. A fizzy drink in a bottle is under a pressure. In which direction does this pressure act?

  • A) Upwards, on the top of the bottle.
  • B) Sideways, on the sides of the bottle.
  • C) Inwards, squeezing the particles together.
  • D) In all directions.

6. A nail is hammered into wood with a large force. Which of the following answers best decribes the surface area and the pressure at the end of the nail touching the wood as it is hammered?

Surface area Pressure
A
small small
B
small large
C
large small
D
large large

 

7. Which of the following formulas is used to calculate the pressure produced by a fluid?

  • A) pressure = density x gravitational field strength x height (of fluid)
  • B) pressure = gravitational field strength x height (of fluid)
  • C) pressure = volume x gravitational field strength x height (of fluid)
  • D) pressure = mass x density x height (of fluid)

When divers go deep under water the pressure increases.

What are the missing values in this table used for divers in a lake?
(Density of water= 1000 kg/m3)

 

Pressure due to liquid
Depth
8.
500 000 Pa
9.
250cm

 

 

10. Which of these statements best describes the change in atmospheric pressure that takes place as you climb a high mountain?

  • A) The pressure increases as the column of air above us decreases.
  • B) The pressure decreases as the column of air above us decreases.
  • C) The pressure increases as the column of air below us decreases.
  • D) The pressure decreases as the column of air below us decreases.