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March 29, 2017

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If motion of a particle of mass (m) is given by y=ut+1/2gt^2 (square).find force acting on it

  • physics - ,

    I assume that u and g are constants (in fact initial velocity and gravity)

    dy/dt = speed = u + g t

    d^2y/dt^2 = acceleration = g

    F = m a
    so
    F = m g

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