Question

state Newton's second law of motion and prove f = ma​

Answer 1

We know that change linear momentum of a body is equal to ∆(mv)

∆p= ∆(mv)

we know

∆v = v-u/t = acceleration

mass of the body always remains constant.

change in momentum in a time period

∆p/∆t=ma

force=impulse=change in Linear momentum

hence f=ma

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