Pressure Practice 2
10 problems · instant feedback · full explanations
Pressure is force per area: P = F/A. In fluids at rest, pressure grows with depth: P = P₀ + ρgh.
Q1.
What is the SI unit of pressure?
Multiple choice · Easy
Q2.
A 600 N force acts on 0.02 m². What is the pressure?
Multiple choice · Easy
Q3.
What is the gauge pressure 15 m deep in seawater (ρ = 1025 kg/m³)? (Use g = 9.8 m/s². Answer in Pa.)
Numerical answer (Pa) · Medium
Q4.
What is the absolute pressure at that 15 m depth? (Add 101,325 Pa atmospheric.)
Numerical answer (Pa) · Medium
Q5.
Pressure applied to an enclosed fluid is transmitted:
Multiple choice · Easy
Q6.
A hydraulic lift has pistons of area 0.002 m² and 0.1 m². What load can 100 N lift?
Numerical answer (N) · Hard
Q7.
Standard atmospheric pressure is about:
Multiple choice · Medium
Q8.
Pressure at a given depth is the same in all connected parts of a fluid at rest.
True / False · Easy
Q9.
Fluid pressure at a point acts only downward.
True / False · Medium
Q10.
What held the Magdeburg hemispheres together against horses pulling?
Multiple choice · Hard