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Why is the K.E acquired by a mass m travelling a certain distance d starting from rest under the action of constant force is independent of mass m?
2 years ago

Arun
23755 Points

Dear Ishan

a = F/m

Now
V² = u² +2*a*s
V = $\sqrt$(0 + 2*(F/m) *d
V = $\sqrt$(2Fd/m)

K.E. acquired will be
K.E. = (1/2) * m* v²
= (1/2) * m* (2Fd/m)
= F*d

Independent of mass m

Regards
2 years ago
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