posted by Hannah .
A 12-kg crate is pushed up an incline from point A to point B. What is the change in the gravitational potential energy of the crate?
Point A is 2.0m and point b is 7.0m
I am not sure how to start this.
ΔPE = mgΔh = 12•9.8•(7– 2 ) = 588 J