1. consider the case of a wooden block moving along a horizontal track
A) make a sketch of K, U and Wf as a function of displacement include all three curves on the same graph
B) can the |ΔK| be larger than |ΔU|? explain if instead the woodden block is moving along an inclined track
C) how much is the total work done in the system?
D) how much is the change in mechanical energy?
E) where did the mechanical energy go?