Question

Calculate the loss of gravitational potential energy when 1.03m3 sea water falls through a vertical distance of 3.0 m.

Answer 1

Explanation:

Since the gravitational field lines go radially inward towards the mass, the density of the field lines would be inversely proportional to the surface over which they are spread over. ... Since force is proportional to the density of field lines, the force is inversely proportional to distance squared.