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Home  >>  JEEMAIN and NEET  >>  Physics  >>  Class11  >>  Laws of Motion

The linear momentum p of a moving body varies with time according to equation $p=a+bt^2$ where a,b are constants. Net force acting on the body is

a) Constant

b) proportional to $t^2$

c) Inversely proportional to t

d) proportional to t

1 Answer

$ f \;\alpha\; t$
Net force acting on the body is proportional to t
Hence d is the correct answer.


answered Jul 4, 2013 by meena.p
edited Jan 26, 2014 by meena.p

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