A disc and a solid sphere of same mass and radius roll down an inclined plane. The ratio of the ...

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A disc and a solid sphere of same mass and radius roll down an inclined plane. The ratio of the friction force acting on the disc and sphere is
(a) \( \frac{7}{6} \)
(b) \( \frac{5}{4} \)
(c) \( \frac{3}{2} \)
(d) depends on angle of inclination
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