Forces resulting from the interaction between two objects, where the size of the forces on the first object equals the size of the force on the second object, and the direction of the force on the first object is opposite to the direction of the force on the second object
Newton's third law of motion (law of interaction)
For every action, there is an equal and opposite reaction
When a body exerts a force on another
An equal amount of force is always exerted back on it
Action-reaction force pairs
Make it possible for birds to fly
Make it possible for a ball to bounce
Action-reaction force pairs
Girl sitting on a chair exerting a downward force, chair exerting an upward force
Bird's wings pushing air downwards, air pushing the bird upwards
Hand dribbling a ball with 3 newtons of force downwards, ground pushing the ball with 3 newtons of force
