A cart of mass 500 kg is taken along a polished inclined surface to the top of a platform which is at a height of 2m above the ground level. Find the work done by the external force in moving the cart to the top.

A cart of mass 500 kg is taken along a polished inclined surface to th

1.	A cart of mass 500 kg is taken along a polished inclined surface to the top of a platform which is at a height of 2m above the ground level. Find the work done by the external force in moving the cart to the top.
Answer» ANSWER :9.8 KJ