What is newton's second law
also give example​

What is newton's second law of motion?Also give example.

Definition:-

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.

Examples:-

Derivation:-

For a body of mass 'm' , whose velocity changes from u to v in time t, when Force 'F' is applied.

=>Force∝Change in momentum/Time

=>F∝mv-mu/t

=>F∝m(v-u)/t

=>F∝ma

=>F=kma(a=v-u/t)

=>F=ma(Since k=constant=1)