Prove that Newton third law of motion follows the second law of motion

1.	Prove that Newton third law of motion follows the second law of motion
Answer» In the absence of external FORCE, the rate of CHANGE of momentum must be zero i.e., d/dt (pB+pA) must be zero. This is nothing but Newton's third law of motion. HENCE, third law of motion is CONTAINED in the second law.

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Prove that Newton third law of motion follows the second law of motion

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