Newton defined three laws of motion.Newton wrote his laws of
motion in the third volume of the Principia, where he drew
diagrams to show how his three rules apply to balls.
Object at rest
Every object stays at rest unless an outside
force acts on it. If an object is in motion, it travels in a
straight line unless an outside force acts on it.
The outside force is related to the direction
and the increase in speed of the object.
To every action there is an opposite and equal