Author Question: What applied horizontal force will accelerate a 400-kg crate at 1 m/s2 across a factory floor ... (Read 84 times)

berenicecastro · **on:** Jul 29, 2018

What applied horizontal 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

To say there is no such thing as only one force means

A) there must also be an oppositely directed force.
B) other forces, perhaps not evident, are there.
C) gibberish.