Question

A worker is attempting to lift a 54.0-kg palette of bricks resting on the ground by means of a rope attached to a pulley. (Assume the rope goes from the worker, directly above to the pulley and then directly down to the palette of bricks.)

(a) Before the worker pulls on the rope, what is the force exerted by the ground on the palette? (Enter your answer to at least the nearest digit.)

magnitude N

(b) The worker exerts a force of 324 N downward on his end of the rope. What is the force exerted by the ground on the palette?

magnitude N

(c) If the worker doubles the downward force, what is the force exerted by the ground on the palette?

magnitude N

Answer 1