The figure below shows a system of two masses connected by a string. As m falls a
distance h, M accelerates up the plane. The coefficient of friction between M and the
inclined plane is µ.

What is the change in potential energy on the system after the m has fallen a distance h?

Question

The figure below shows a system of two masses connected by a string. As m falls a 
distance h, M accelerates up the plane. The coefficient of friction between M and the 
inclined plane is µ. 


 
What is the change in potential energy on the system after the m has fallen a distance h?

venomblast · Answer

This is a physic's problem

irishboy123 · Answer

$\Delta U = -mgh + Mgh sin \theta$