Which answer best describes how the speed of the crate is affected by unbalanced forces?
A. After the unbalanced force is applied the crate will not be put into motion and will remain stationary.
B. Unbalanced forces will change the motion of the crate when it is stationary and when it is moving.
C. Unbalanced forces will change the motion of the crate when it is stationary but not when it is moving.
D. Unbalanced forces will not change the motion of the crate when it is stationary but will change its motion when it is moving.