A very light cart holding a 200-N box is moved at constant velocity across a 20-m level surface.What is the net work done in the process?

Question

Quizplus · Accepted Answer

Since the cart is moving at a constant velocity, the net force acting on the box is zero, which means the net work done on the box is also zero according to the work-energy principle (Net work done = Change in Kinetic Energy). Therefore, the correct choice is A) zero.

A Very Light Cart Holding a 200-N Box Is Moved