Question

the single force which acts on an body to produce a same effect in it is done by all the forces together is

Answer 1

The answer to your question is GRAVITATIONAL FORCE as the force applied by all the forces comes under the same head and that is GRAVITATIONAL FORCE. Moreover the force applied by each and every particle os of the body is equal to the point upon which sum of the forces acting is zero which is called as centre of gravity.....

Answer 2

Hey mate.....!!!!!

It's gravitational force you are referring to.