A cart of mass 250 kg is taken along a polished inclined surface to the top of a platform which is at a height of 2 m above the ground level. Find the work done by the external force moving the cart to the top.

A cart of mass 250 kg is taken along a polished inclined surface to th

1.	A cart of mass 250 kg is taken along a polished inclined surface to the top of a platform which is at a height of 2 m above the ground level. Find the work done by the external force moving the cart to the top.
Answer» SOLUTION :m = 250 kg, height h = 2 m, Work done W = MGH `= 250 XX 9.8 xx 2 = 250 xx 19.6` = 4900 J = 4.9 kJ