Question

The `K.E.` acquired by a mass `m` in travelling a certain distance `d`, starting from rest, under the action of a constant force is directly propotional to
A. directly proportional to m
B. directly proportional to `sqrtm`
C. inverserly proportional to `sqrtm`
D. independent of m

Answer 1

Correct Answer - D
(d) `K_(2)-K_(1) = W =Fs`
`K_(2)-0=Fs`
K is independent of m. `" "`(Force is constant)