derive the mathematical form of second law of motion
Answers
Answer:
Newton's Second law of motion :- The rate of change of momentum is directly proportional to the force applied on the system. Force applied is directly proportional to the product of mass and acceleration . ... We know that, Momentum ( P) = mv . Let v be the final and u be the initial velocity .
Explanation:
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Suppose an object of mass 'm' is moving along a straight line with initial velocity 'u'.It is uniformly accelerated to velocity'v' by the application of a constant force F throughout the time t.Let the initial and final momentum be P1 and P2.
The change in momentum ∝P2-P1
∝mv-mu
∝m(v-u)
The rate of change of momentum∝m(v-u)/t
So,
F∝m(v-u)/t
F∝ ma
F= kma k=constant
but k becomes 1
so, F=ma
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