calculate the work required to be done in moving a body of mass 1000 kg from a height of 2R to a height 3R above the surface of the earth

Question

calculate the work required to be done in moving a body of mass
1000 kg from a height of 2R to a height 3R above the surface of the
earth

Ved Prakash Lakhera · Accepted Answer

The amount of workdone in displacing a body of mass m=1000Kgagainst the gravity of the earth is:          W=∫2R3RF
dr=∫2R3RGMmr2dr=GMm-1r2R3R=GMm-13R+12R            W=GMm×16R=6
67×10-12×6×1024×10006×6 4×106=1
04×109J