Increase of mass in the gravitational field




As you know, force multiplied by distance equals energy:

E=F.d


E represents energy; F represents force and considers d as distance. Also the gravitational force between two masses is calculated by the following equation:








Where G equals to the global constant of gravity and M is the first mass and m represents the second mass of a material and r is the radius between two centers. So gravitational potential energy obtain by following ways:









U represents gravitational potential energy that equals and equivalent to the corresponding mass and it will increase to the mass. Now we calculate the mass amount:










m0 is the initial mass of a material, c is the speed of light, Δm is increase in mass of a material in gravitational field and m is the final mass of a material in the gravitational field. Hence, we calculate 1kg mass of a material in the sun surface:







Author: Mohammadreza Tabatabaei

Dec 22, 2009