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Author Question: A bulldozer drags a log weighing 500. N along a rough surface. The cable attached to the log makes ... (Read 121 times)

pepyto

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on: Jul 27, 2018
A bulldozer drags a log weighing 500. N along a rough surface. The cable attached to the log makes an angle of 30. with the ground. The coefficient of static friction between the log and the ground is 0.50.
 
  What minimum tension is required in the cable in order for the log to begin to move?

Question 2

Which of the following is the smallest unit of heat energy?
 
  A) Btu
  B) calorie
  C) kilocalorie
  D) Joule


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yifu223

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Reply #1 on: Jul 27, 2018
Answer to Question 1

2.9  102 N

Answer to Question 2

D


pepyto

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Reply #2 on: Jul 27, 2018
Thank you!


yifu223

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Reply #3 on: Jul 27, 2018
Always glad to help...


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