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Author Question: What horizontally-applied force will accelerate a 400-kg crate at 1 m/s2 across a factory floor ... (Read 147 times)

kodithompson

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on: Jul 29, 2018
What horizontally-applied force will accelerate a 400-kg crate at 1 m/s2 across a factory floor against a friction force half its weight?
 
  A) 600 N
  B) 1600 N
  C) 2000 N
  D) 2400 N
  E) none of the above

Question 2

If you are driving at 20 m/s and slam on your brakes and skid at 0.5g to a full stop, the skidding time is about
 
  A) 3 s.
  B) 4 s.
  C) 5 s.
  D) 6 s.
  E) greater than 6 s.


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DylanD1323

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

Answer: D

Answer to Question 2

Answer: B


kodithompson

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Reply #2 on: Jul 29, 2018
Thank you!


DylanD1323

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Reply #3 on: Jul 29, 2018
Always glad to help...


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