Relativity theory assumes that the effect of accelaration on an object equals the effect of this force
So the body of the earth is really exerting the force to force it to 
take a .... will approximately equal 1 and will have a negligible effect compared to 
the... [DOC] [TLE] Einstein's Relativity [PAR] Einstein's Special and General Theories of Relativity ... nonuniform motion (
presence of an acceleration) and gives an explanation of the force of gravity.