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Plz answer cute girls and smart boys only 21n 22

Answer» 22. newton's second law of motion : this law state that the rate of CHANGE of momentum of a body is directly proportion to the applied unbalance force and the change take PLACE in the DIRECTION of the force .
F inversely mv-mu/t
F inversely m(v-u)/t
as a=v-u/t
F inversely to ma
F = k*m*a (where k is constant)
THEREFORE F=ma


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