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Rotational Inertia

If the radius...

Question

If the radius of solid sphere is $35$ cm calculate the radius of gyration when the axis is along a tangent

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Solution

I tangent = Ic + MR² = 2/5 Ma² + MR² = 7/5 MR ²

7/5 MR² = Mk²

K = √7/5 (35)²

= 7 √35 cm

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