Discussion :: Theory of Machine
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A rigid body, under the action of external forces, can be replaced by two masses placed at a fixed distance apart. The two masses form an equivalent dynamical system, if
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A.
the sum of the two masses is equal to the total mass of body
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B.
the centre of gravity of the two masses coincides with that of the body
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C.
the sum of mass moment of inertia of the masses about their centre of gravity is equal to the mass moment of inertia of the body
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D.
all of the above
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Answer : Option D
Explanation :
No answer description available for this question.
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