For the same pair of bodies- the correct relation between different types of friction is- Static friction gt- rolling friction gt- sliding friction-Sliding friction gt- static friction gt- rolling friction-Static friction gt- sliding friction gt- rolling friction-Sliding friction gt- rolling friction gt- static friction-

The correct option is C Static friction gt; sliding friction gt; rolling friction. When a body starts sliding, the contact points on its surface nbsp;d ...

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Byju's Answer

Standard VIII

Physics

Surface Irregularities

For the same ...

Question

For the same pair of bodies, the correct relation between different types of friction is:

Static friction > sliding friction > rolling friction.

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Sliding friction > rolling friction > static friction.

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Static friction > rolling friction > sliding friction.

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Sliding friction > static friction > rolling friction.

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Solution

The correct option is A
Static friction > sliding friction > rolling friction.

When a body starts sliding, the contact points on its surface do not get enough time to lock into the other surface. So, sliding friction is slightly smaller than maximum static friction. It is always easier to roll than to slide a body over another. So, rolling friction is further smaller than sliding friction. Hence the correct order is: static friction > sliding friction > rolling friction.

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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

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(a) rolling friction into sliding friction
(b) static friction into sliding friction
(c) sliding friction into rolling friction
(d) rolling friction into static friction

Out of sliding friction, static friction and rolling friction:
(a) which one is the smallest ?
(b) which one is the largest ?

Define (i) Static friction (ii) Sliding friction (iii) Rolling friction.

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