Work Energy And Power Question 222

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

Options:

A) t

B) constant

C) t

D) 1t

Show Answer

Answer:

Correct Answer: D

Solution:

[d] Given, dkdt=constant

ktvt

Also,P=Fv=dkdt=constant

F1vF1t



NCERT Chapter Video Solution

Dual Pane