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Answer» Newton gave three laws. First LAW - An object at rest continues to be at rest and an object in motion continues to be in motion till an external force acts on it. Second law - The force on an object is directly proportional to the acceleration of the object. F = ma Third law - EVERY action has an EQUAL and opposite reaction.
Weight = The force acting on a body DUE to gravity. Mass = The proportionality constant of the RELATION force is directly proportional to acceleration. Gravity = The attractive force exerted by the earth on other objects.
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