A force-time graph for the motion of a body is shown in figure. Change in linear momentum between 0 and 8 s, is
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a
zero
b
4N-s
c
8N-s
d
none of these
answer is A.
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Detailed Solution
Change in momentum = Area under F-T graph. Area from 0 to 2 and 6 to 8 are negative and is equal to area from 2 to 6 and is positive. So Change in momentum = 0