Question

a shopper in a supermarket pushes a cart with a force of 35 n directed at an angle of 25 downward from the horizontal. the force is just sufficient to over come the various frictional force, so the cart moves at constant speed. what is the net work don't on the cart? why? the shopper goes down the next aisle, pushing horizontally and maintaining the same speed as before. if the work done by frictional forces doesn't change, would the shopper's applied forve be larger, smaller, or the same? what about the work done on the cart by the shopper?

Answer 1

Work done by shopper - w- 1586J