Work - questions and answers. If you have a question about this topic, please click on the "New Question" button. If you wouldn't like to miss any new question in this topic, please subscribe.
Sociology of education
I want to know more about freelance.
A shopper pushes a grocery cart 20.0 m at constant speed on level ground, against a 35.0 N frictional force. He pushes in a direction 25.0 below the horizontal. (a) What is the work done on the cart by friction? (b) What is the work done on the cart by the shopper? (c) Find the force the shopper exerts, using energy considerations. (d) What is the total work done on the cart?