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Question
Assertion :Moment of concurrent forces about any point is constant. Reason: If vector sum of all the concurrent forces is zero, then moment of all the forces about any point is also zero.
Assertion :Moment of concurrent forces about any point is constant. Reason: If vector sum of all the concurrent forces is zero, then moment of all the forces about any point is also zero.
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Solution
The correct option is D Both Assertion and Reason are incorrect
moment of force is the turning effect of force at the point. it is equal to the product of force and the perpendicular distance of its line of action.
for moment at a point to be zero the sum of the product of all forces with their respective distances must be zero.
moment of force is the turning effect of force at the point. it is equal to the product of force and the perpendicular distance of its line of action.
for moment at a point to be zero the sum of the product of all forces with their respective distances must be zero.
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