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Sir Isaac Newton's Laws were 1. ¨Every object persists in its state of rest or uniform motion in a straight line unless it is compelled to change that state by forces impressed on it.¨ 2. ¨ Force is equal to change in momentum (mV) per change in time. For constant mass, force equals mass times acceleration.¨ F= m a 3 . ¨For every action, there is equal and opposite re-action.
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