Question

When a wheel is rolling on a level road, what is the direction of frictional force between the
wheel and the road?

Answer 1

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⭐when a wheel is rolling on a level road the direction of frictional force between the wheel and the road will act in forward direction

⭐As the wheel is moving forward the portion of wheel in contact with the roads moves backward .

⭐Hence the force of friction must be acting in the forward direction along the tangent to the surface of road and the wheel in contact .

Answer 2

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It is the case of circular motion, or rolling friction.

When a wheel is rolling on a level road the direction of frictional force between the wheel and the road will act in forward direction.

As the wheel is moving forward the portion of wheel in contact with the roads moves backward .

Hence,

the force of friction must be acting in the forward direction along the tangent to the surface of road and the wheel in contact .