Question

A cable pulls a crate of mass 19.0 kg across the floor in 6.8 s. If the total distance traveled is 5.40 m, find the power used by the cable.

w=md
186.2(5.40)
w= 1005.48

p=w/t
p=1005.48/5.40

answer: 147.9 W

Answer 1

What was the force used to pull the cable horizontally? Was there any friction?