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Author Question: A pair of pliers is a good example of a _________Lever. A. First Class B. Second Class C. ... (Read 525 times)

laurencescou

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on: Aug 19, 2018
A pair of pliers is a good example of a _________Lever.
 
  A. First Class
  B. Second Class
  C. Third Class
  D. None of the above

Question 2

A man picks up a 50 pound box three feet above the grounD. How much work is being done?
 
  A. 16.7 ft-lb
  B. 0 ft-lb
  C. +50 ft-lb
  D. +150 ft-lb


yuyiding

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Reply #1 on: Aug 19, 2018
Answer to Question 1

A

Answer to Question 2

D


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laurencescou

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Reply #2 on: Aug 19, 2018
TY


yuyiding

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Reply #3 on: Aug 19, 2018
You're welcome


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