At time t = 0, particle starts moving along the x – axis. If its kinetic energy increases uniformly with time t, the net force acting on it must be proportional to

Q: At time t = 0, particle starts moving along the x – axis. If its kinetic energy increases uniformly with time t, the net force acting on it must be proportional to

(a) √t

(b) constant

(c) t

(d) 1/√t

Ans: (d)