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Standard XII

Physics

Friction and Vertical Circular Motion Problems

The disc is a...

Question

The disc is at rest at the top of a rough inclined plane. It rolls without slipping. At the bottom of inclined plane there is a vertical groove if radius $R$ . In order to loop the groove, the minimum height of incline required is:

\frac{15 R}{4}

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\frac{9 R}{4}

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\frac{5 R}{2}

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\frac{7 R}{5}

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Solution

The correct option is A $\frac{15 R}{4}$
Hence, option $(A)$ is correct answer.

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The disc is at rest at the top of a rough inclined plane. It rolls without slipping. At the bottom of inclined plane there is a vertical groove if radius R. In order to loop the groove, the minimum height of incline required is:

The correct option is A 15R4Hence, option (A) is correct answer.

The disc is at rest at the top of a rough inclined plane. It rolls without slipping. At the bottom of inclined plane there is a vertical groove if radius $R$ . In order to loop the groove, the minimum height of incline required is:

The correct option is A $\frac{15 R}{4}$
Hence, option $(A)$ is correct answer.