Question: At time $\mathrm{t}=0$ s 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 :-
$\sqrt{t}$
constant
$\mathrm{t}$
$\frac{1}{\sqrt{t}}$
Correct Option: , 4
Solution:
