A man is loading a 172kg crate into a moving truck. The ramp makes an angle of 18° compared to the flat ground. What is the coefficient of kinetic friction between the crate and the ramp?

1 Answer
Jan 24, 2016

Answer:

There is insufficient information to answer this question.

Explanation:

We need to know some additional information, such as how much force is being applied to the crate, and whether the crate is sliding with constant speed or accelerating.