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Yuki888 [10]
2 years ago
15

If a system of pulleys results in a force of 25% of the load, how far will the rope need to move to pull the load a distance of

10 feet?
Engineering
1 answer:
GaryK [48]2 years ago
8 0

Answer:

  40 ft

Explanation:

Assuming no loss of energy in the system of pulleys, the work done is the same whether you move the load directly or through the pulleys.

  W = Fd . . . . . . . . work is the product of force and distance

  F(10 ft) = (0.25F)(d) . . . . . where d is the distance we want to find

  d = 10F/(0.25F) = 40

The rope will need to move 40 feet.

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