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Describe the Newton's equation of motion? Newton gave three laws governing the  motion of bodies  and equation of motion . 1) First law- A body continues to be in its state of rest or of uniform motion along a straight line , unless it is acted upon by same external force to change the state. 2) Second low- The rate of change of linear momentum of a body is directly proportional to the external  force  applied on the body and this change takes place always in the direction of the applied force. 3) Third law-To every action, there is always an equal and opposite reaction. The action and reaction act on different bodies, hence they never cancel each other. equation of motion The equation of motion Let u = initial velocity of body, a = uniform  acceleration  of the body, v= velocity of the body after time t, s= distance travelled by body in time t, D n  = distance travelled by body in nth second. 1)  The equation of motion for accel...