Question
Which of the following quantities is zero, when a uniform object is being supported at its center of gravity?
Which of the following quantities is zero, when a uniform object is being supported at its center of gravity?
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Solution
The correct option is D Moment
When a uniform object is being supported at its center of gravity, the total weight acts at this point. Hence CG= weight due to the presence of weight mass and force of gravity are non-zero. But a moment of force at this point is zero as the object does not turn.
When a uniform object is being supported at its center of gravity, the total weight acts at this point. Hence CG= weight due to the presence of weight mass and force of gravity are non-zero. But a moment of force at this point is zero as the object does not turn.
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