Question

If a body of mass 'm' is taken to a height 'h' from the surface of earth, the work done will be?

• A. mh
• B. 2 mgh
• C. mgh
• D. 1/2 mgh

Answer 1

Answer:

C. mgh

If a body of mass 'm' is taken to a height 'h' from the surface of earth, the work done will be mgh. The gravitational potential energy at any point at a distance (r) from the center of the earth PEgrav = mass x g x height= mgh