Physicshard · Past Paper
A hydraulic lift has pistons of radii 1cm and 10cm. What is the force multiplier?
A10
B100
C1
D1000
✓ Correct Answer: B — 100
Force multiplier = A2/A1 = (π * R2^2) / (π * R1^2) = (10/1)^2 = 100.
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