The radius of gyration of a body about an axis at a distance of 6 cm from the centre of gravity is 10 cm. Its radius of gyration about a parallel axis
The radius of gyration of a body about an axis at a distance of 6 cm from the centre of gravity is 10 cm. Its radius of gyration about a parallel axis through centre of gravity is
A. 4 cm
B. 14 cm
C. 8 cm
D. 16 cm
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Correct Answer - C
`K_(c )^(2) = K_(0)^(2)-h^(2)`
`= 100 - 36`
`K_(c )= sqrt(64) = 8 cm`.
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