As the disk rolls up the incline in the situation described in the previous problem, the friction force acting on the disk does

Question

Quizplus · Accepted Answer

Friction does no work on the disk as it rolls without slipping because the point of contact between the disk and the surface does not move relative to the surface (the velocity of the point of contact is zero), so there is no displacement in the direction of the friction force.

As the Disk Rolls Up the Incline in the Situation