State the second law of motion and derive a formula to represent it.
Answers
Answer:
Newton's Second Law of motion states that the rate of change of momentum of an object is proportional to the applied unbalanced force in the direction of the force. ie., F=ma. Where F is the force applied, m is the mass of the body, and a, the acceleration produced.
F = ma
F is Force
M is Mass
A is acceleration
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Answer :-
Newton’s second law of motion states that the force exerted by a body is directly proportional to the rate of change of its momentum.
For a body of mass ‘m’, whose velocity changes from u to v in time t, when force ‘F’ is applied.
Derivation :-
F ∝ Change in momentum / Time
F ∝ mv - mu / t
F ∝ m ( v - u / t )
=> F ∝ ma ( a = v - u / t )
=> F = kma
=> F = ma ( k = constant = 1 )