Which of the following must occur in order for work to be done?
A. The object must use a machine.
B. The object must move.
C. The object must make another object move.
D. The object must not move.

Question

anonymous · Answer

object must move  so B.

angela210793 · Answer

B

anonymous · Answer

Work = force * displacement and so for displacement to occur, object must move

anonymous · Answer

The work done on an object is the product of the average force on it and the distance traveled in the direction of the force.

So not D. In C work is being done on the second object. Etc