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A body of mass 50 kg is moving with a constant velocity of 5m/s on a horizontal, frictionless surface in free space.Calculate the force acting on the body.Account for the obtained value of force.
F = m*aF = m*dv/dtdv = (F/m) dtintegerating both sides,v = (F/m)tF = 5m/t = > 5 * 50 / t = 2150/tput t at which u want to get the force value..And here the contradiction is butthe velocity is constant therefore a = 0hence extrenal force = 0.
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