A man lifts a bucket of water from a well that is 7 meters deep. The bucket and water together weigh 50 Newtons. He turns the crank handle w

Question

A man lifts a bucket of water from a well that is 7 meters deep. The bucket and water together weigh 50 Newtons. He turns the crank handle with a force of 5 Newtons. The effort force is blank. (Fill in the blank)
A) 70 meters
B) 5 N
C) 50 N
D) 25 N

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Thiên Ân 5 years 2021-08-03T23:36:35+00:00 1 Answers 107 views 0

Answers ( )

  1. Sigrid
    0
    2021-08-03T23:38:15+00:00
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    Answer:

    Work = Work out

    Work in = 5 N * d     where d is the distance the handle travels

    Work out = 50 N * 7 m = 350 Joules

    d = 50 N * 7m / 5 N = 70 m

    This is the distance traveled by the force of 5 N

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