[Answered] What horizontally-applied force will accelerate a 400-kg crate at 1 m/s2 across a factory floor ...

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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 161 times)

kodithompson

Hero Member
Posts: 566

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

Sr. Member
Posts: 314

Reply #1 on: Jul 29, 2018

Answer to Question 1

Answer: D

Answer to Question 2

Answer: B

kodithompson

Hero Member
Posts: 566

Reply #2 on: Jul 29, 2018

Thank you!

DylanD1323

Sr. Member
Posts: 314

Reply #3 on: Jul 29, 2018

Always glad to help...

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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 161 times)

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