assertion: the sum of the clockwise moments is equal to the sum of the anticlockwise moments.
reason: the principle of conservation of momentum is vaild if the external force on the system is zero.
a) if both the assertion and the reason are true and the reason is the correct explanation of assertion.
b) if both the assertion and the reason are true,but the reason is not the correct explanation of the assertion.
c) assertion is true,but the reason is false.
d) assertion is false,but the reason is true.
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So, if we add the sum total of all the individual momentum, i.e. (momenta in plural), then the resultant will always add up to a value of zero. ... So it is an inherent property and that is why the sum of clockwise moments will be equal to that of the anticlockwise moments so that the resultant becomes zero
Explanation:
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