Newton’s Second Law, Classical Mechanics, physics

  • 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.
  • If a body of mass m, moves with velocity v   then its linear momentum can be given by p= mv  and if
    forceF is applied on a body, then

                   F∝dP/dt, 

                ⇒F=KdP/dt

              (K = 1 in C.G.S. and S.I. units)

            F=dP/dt

          F=dMV/dt

        F=MA

       FORCE = MASS × ACCELERATION

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