The wheel shown is fixed at O and is in contact with a rough surface as shown- The wheel rotates with an angular velocity - What is the direction and nature of friction force on the wheel and on the ground-

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Byju's Answer

Standard XII

Physics

Pulley

The wheel sho...

Question

The wheel shown is fixed at $O$ and is in contact with a rough surface as shown. The wheel rotates with an angular velocity $ω$ . What is the direction and nature of friction force on the wheel and on the ground.

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Solution

The frictional force (f) is towards the left as marked in the figure and its nature is to reduce to magnitude of the angular velocity.
Hence, solved.

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