Newton has formulated three laws of motion, which are the basic postulates or assumptions on which the whole system of dynamics is based. These three laws of motion are as follows:
- Newton's First law of Motion:
It states that, "Every body continues in its state of rest or of uniform motion in a straight line, unless it is acted upon by some external forces." This is also know as Law of Inertia.
The inertia is that property of matter, by virtue of which a body cannot move of itself, nor change the motion imparted on it.
- Newton's Second law of Motion:
It states that, "The rate of change of momentum is directly proportional to the impressed force and takes place in the same direction in which the force acts."
- Newton's Third law of Motion:
It states that, "To every action, there is always an equal and opposite direction."
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