The essential condition of placing the two masses, so that the system becomes dynamically equivalent, is (where $${l_1}$$ and $${l_2}$$ = Distance of two masses from the centre of gravity of the body and k_G = Radius of gyration of the body)

A) $${l_1} = {{\text{k}}_{\text{G}}}$$ B) $${l_2} = {{\text{k}}_{\text{G}}}$$ C) $${l_1}{l_2} = {{\text{k}}_{\text{G}}}$$ D) $${l_1}{l_2} = {\text{k}}_{\text{G}}^2$$

Answer & Solution

Correct Answer: Option D

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The essential condition of placing the two masses so that the...

The essential condition of placing the two masses, so that the system becomes dynamically equivalent, is (where $${l_1}$$ and $${l_2}$$ = Distance of two masses from the centre of gravity of the body and kG = Radius of gyration of the body)

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The essential condition of placing the two masses, so that the system becomes dynamically equivalent, is (where $${l_1}$$ and $${l_2}$$ = Distance of two masses from the centre of gravity of the body and k_G = Radius of gyration of the body)