Q.
Consider the following two statements.A) Linear momentum of the system remains constant.B) Centre of mass of the system remains at rest.
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a
A implies B and B implies A
b
A does not imply B and B does not imply A
c
A implies B but B does not imply A
d
B implies A but A does not imply B
answer is D.
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Detailed Solution
When Linear momentum of a system is constant , its magnitude may be zero or non - zero . So if centre of mass of a system is at rest , its linear momentum is zero which is a constant.Hence option - (4) is right.
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