Question

A 50-kg cavan of rice is pulled along a 10-m horizontal ramp with a force of 750 N. If it is dragged from end to end of the ramp and if the u = 0.40, how much work is done on the load?

Answer 1

$$W_{\rm net}=Fd-\mu mgd\\ =750*10-0.4*50*9.8*10=5540\:\rm J$$