For every action there is an equal and opposite reaction.
Such that, the net force is zero.
If two objects interact, they both experience forces acting upon them.
Actionand Reaction pair
Action and Reaction pair
Actionand Reaction pair
An astronaut was fixing the Hubble telescope when she floats out into space away from her spaceship. All she has is her tool belt with tools around her waist, how can she get back?
Throw the tools away from the spaceship. The tools will have an opposing reaction that pushes her back.