Question

what are the three effects of forces ?

Answer 1

The Effects of Forces. A force acting on an object may cause the object to change shape, to start moving, to stop moving, to accelerate or decelerate. When two objects interact with each other they exert a force on each other, the forces are equal in size but opposite in direction.

Answer 2

force can change the shape of the body.
force can change the speed of a moving body.
force can stop a moving body.