Question

state newton second law of motion and derive it mathematical

Answer 1

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Answer 2

=> According to Newton' second law of motion, the rate of change of linear momentum of a body is directly proportional to the external force applied on the body, and this change takes place always in the direction of applied force.
=> The rate of change of linear momentum of a body is directly proportional to  the external force applied on the body, and this change takes place always in the direction of the force applied.
F = dp/dt = d(mv) / dt = m (dv/dt) = ma

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