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Author Question: A clerk can lift containers a vertical distance of 1 m, or roll them up a 2-m-long ramp to the same ... (Read 82 times)

Charlie

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on: Jul 29, 2018
A clerk can lift containers a vertical distance of 1 m, or roll them up a 2-m-long ramp to the same elevation. With the ramp, the applied force needed is
 
  A) half as much.
  B) twice as much.
  C) the same.

Question 2

A 35-N bucket of water is lifted vertically 3.0 m and then returned to its original position. How much work did the gravitational force exerted by Earth on the object do on the bucket during this process?
 
  A) 180 J
  B) 90 J
  C) 45 J
  D) 0 J
  E) 900 J


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xthemafja

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: A

Answer to Question 2

D


Charlie

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

softEldritch

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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