Unit Activity: Dynamics

Task 4

Identify the Action and Reaction Forces

Newton studied the forces in an interaction between two objects and formulated the third law of motion, which states that to every action there is an equal and opposite reaction. Using this law, identify the action and reaction force involved in the scenarios specified in the table below. Also, add two more scenarios and identify the action and reaction force in them.

Scenario	Action	Reaction
a girl takes a step
a snowball hits a girl on her back
a baseball player catchesa ball
a gust of wind strikes a window
a hammer hitting a nail
a car moving on the road
a book placed on the table
a racket hitting a tennis ball