Physicsmedium · Past Paper
A hydraulic lift has pistons of area 2 m² and 10 m². If 100 N is applied to the small piston, what is the force on the large one?
A500 N
B20 N
C100 N
D1000 N
✓ Correct Answer: A — 500 N
By Pascal's law, P1 = P2. So, F1/A1 = F2/A2 => 100/2 = F2/10 => F2 = 500 N.
Share this question
More from Physics
- The work-energy theorem states that work done on a body is equal to change in its:
- If a lens has a power of -2.5 D, what is its focal length?
- A current of 0.5 A is drawn by a filament of an electric bulb for 10 minutes. The amount of electric charge that flows through the circuit is:
- Which part of the human ear converts sound vibrations into electrical signals?
- Which subjective property of sound is related to the objective property 'Intensity'?