A 10kg box, initially at rest, moves along a frictionless horizontal surface. A horizontal force to the right is applied to the box. The magnitude of the force changes as a function of DISPLACEMENT (Ignore the picture, which says time- it should say position in meters.)

Rank the work done during each 2-meter interval indicated below and please explain your reasoning.

A. 0 to 2 m B. 2 to 4 m C. 4 to 6 m D. 6 to 8 m F. 8 to 10 m (OR the work done on the box is the same but not zero, OR the work done on the box of each interval is 0, OR we cannot determine).

 

Force, N 3 2 1 2 4 6 8 10 Time, s