Which has greater rolling friction - a steel train wheel or an automobile tyre?

Train wheel

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Neither has rolling friction; instead they only have sliding friction

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Value is same for both

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Automobile tyre

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Solution

The correct option is D
Automobile tyre

The automobile tyre, because rubber is somewhat sticky and not smooth.

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Similar questions

Which of the following statements is incorrect?
(a) static friction is greater than rolling friction
(b) sliding friction is less than rolling friction
(c) rolling friction is less than static friction
(d) static friction is greater than sliding friction

Is rolling friction greater than sliding friction?

Since rolling friction is less than sliding friction, sliding friction is replaced with rolling friction in most machines using ball bearings.

Q. Assertion :It is difficult to move a bike with breaks on. Reason: sliding friction is greater than rolling friction.

Q. Ball bearings use rolling friction instead of sliding friction.

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Which has greater rolling friction - a steel train wheel or an automobile tyre?

The correct option is D Automobile tyre The automobile tyre, because rubber is somewhat sticky and not smooth.

The correct option is D
Automobile tyre

The automobile tyre, because rubber is somewhat sticky and not smooth.