If the force on an object is in the negative direction, the work it does on the object must be
A) negative.
B) positive.
C) The work could be either positive or negative, depending on the direction the object moves.

Question

Quizplus · Accepted Answer

The work done on an object is defined as the force applied to the object times the distance the object moves in the direction of the force. If the force is in the negative direction, the work done can be positive if the object moves in the opposite direction to the force, or negative if the object moves in the same direction as the force. Therefore, the work could be either positive or negative, depending on the direction of the object's movement relative to the direction of the force.

If the Force on an Object Is in the Negative