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Questions  

The force F acting on a particle of mass m is indicated by the force-time graph shown below. The change in momentum of the particle over the time inerval from zero to 8 s is

a
24N s
b
20N s
c
12N s
d
6N s

detailed solution

Correct option is C

Change in momentum = Area under F-t graph        122×6-2×3+4×3=12Ns

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Figures I, II, III and IV depict variation of force with time. Select the figure(s) that depicts minimum impulse delivered.


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