A nurse pushes a cart by exerting a force on the handle at a downward angle 35.0º below the horizontal. The loaded cart has a mass of 28.0 kg, and the force of friction is 60.0 N. (a) Draw a free-body diagram for the system of interest. (b) What force must the nurse exert to move at a constant velocity?

Question

Anonymous · Answer

Fnet-Ff=ma a=0 Fnet=Ff Ff=Fnetcos(35) Fnet=Ff/cos(35) Fnet= 73N