A body remains at rest or in motion with a constant velocity unless acted upon by an external force
Newton's Second Law Of Motion
The rate of change of momentum is proportional to the imposed force and goes in the direction of the force.
Newton's Third Law Of Motion
Action and reaction are equal and opposite.
Example of 1st Law:
The head of a hammer can be tightened onto the wooden handle by banging the bottom of the handle against a hard surface.
Example of 2nd Law:
It is easier for a strong adult to push a full shopping cart than it is for a baby to push the same cart.
Example of 3rd law:
A bird pushes air down while flying, Since forces result from mutual interactions, the air must also be pushing the bird upwards. This allows the bird to fly :)
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