Category: Written by Nerella Bharat / 12:30 AM

Dynamics is the branch of mechanics concerned with forces that change or produce
the motion of bodies.
In ancient timer, most philosophers believed that a body moved with uniform velocity
due to some external agent. They also thought that if there were no external agent the body
would naturally come to rest. Galileo was the first to show that some external force was
necessary to change the velocity of a body but that no external force was necessary to
maintain the velocity of a body. This principle was adopted by Newton in his first law of

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