First law - An object will stay at rest or continue at a constant velocity unless acted upon by an external unbalanced force. (Law of inertia)
Second law - The rate of change of momentum of a body is proportional to the resultant force acting on the body and is in the same direction. (Law of acceleration)
Third law - For every action, there is an equal and opposite reaction. (Law of reciprocal actions)
Physics is fun, once you get the hang of it.
Youtube video of people having fun with Newton's Laws. (Don't try at home!)
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