What is the meaning of 'pressure'?
Force per total area
Mass per unit area
Force per unit area
What is the unit of pressure?
Newtons, N
Pascals, Pa
Kilogram metres per second (kg m/s)
What is the average atmospheric pressure at sea level?
27,000 Pa (27 kPa)
48,000 Pa (48 kPa)
101,000 Pa (101 kPa)
A force of 10 N acts over a surface area of 2 m2. What is the pressure?
20 Pa
12 Pa
5 Pa
What are fluids?
Liquids only
Gases only
Liquids and gases
What is the name of the force caused by different pressures on the top and bottom of an object in a liquid? (Higher)
Downforce
Upthrust
Weight
Which type of shoe is best for walking on snow?
Wide shoes with a flat sole
Narrow shows with a jagged sole
Shows with a sharp, pointed heel
Which Greek letter is used to represent density? (Higher)
μ
γ
ρ
What happens to pressure in a liquid as its depth increases? (Higher)
It increases
It remains constant
It decreases
In which direction does pressure act in a liquid? (Higher)
Upwards only
Downwards only
In all directions