Questions
A force-time graph for the motion of a body is shown in the figure. The change in the momentum of the body between zero and 10 sec is
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a
zero
b
4 kg m/s
c
5 kg m/s
d
3 kg m/s
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Correct option is D
As F = dpdt∫dp = ∫F dt∆p = area under F-t graph∆p = 12×8×1-2×0.5 = 3 kg m/sSimilar Questions
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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