The essential condition of placing the two masses, so that the system becomes dy

Question

The essential condition of placing the two masses, so that the system becomes dynamically equivalent, is (where l₁ and l₂ = Distance of two masses from the centre of gravity of the body, and kG = Radius of gyration of the body)

Options:

A . l₁ = kG

B . l₂ = kG

C . l₁l₂ = kG

D . l₁l₂ = kG²

Answer: Option D

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