Isaac Newton's three laws of motion:
1.Every object in the state of uniform motion tends to remain in that state of motion unless an external force is applied on it.
2.The relationship between an objects mass(m),acceleration(a)and the applied force(F)is F = ma. Acceleration and force are vectors(quantities);inthis law the direction of the force vector is the same as the direction of the acceleration vector.
3.For every action there is an equal and opposite reaction.
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