W= Fd
W= 3NX1.20m
W= 3.6 J is the work done by the crane
W=Fd
W=0.6Nx1.20m
W=0.72 J is the work done by the car
I have no idea how to solve the c, I am thinking at first that the work done by the crane and the car are zero because cos 90 is zero and there are perpendicular to each other. I...