Question text
12 A worker pulls a rope with a force P through a distance d in the direction of the force as shown. This causes a block of weight W to move vertically upwards through a height h. rope d pulley P h W How much work is done by the worker? A Ph B Pd C (P + W)h D (P + W)d
12 A worker pulls a rope with a force P through a distance d in the direction of the force as shown.
This causes a block of weight W to move vertically upwards through a height h.
rope
d
pulley
P
h
W
How much work is done by the worker?
A Ph B Pd C (P + W)h D (P + W)d
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