The static friction between two surfaces in contact is found to be 15 N, then the rolling friction between these two surfaces must be likely to be _____.

25 N

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15 N

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20 N

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10 N

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Solution

The correct option is D 10 N

We know that the maximum frictional force present between two objects is static friction and sliding friction is smaller than static friction. Rolling friction is much less than sliding friction. The relationship between the three types of friction is given by:

Static friction > Sliding friction > Rolling friction.

Thus, the rolling friction will be less than 20N. Only 1 option fits in that category. 10 N is the answer.

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Similar questions

If the static friction between two surfaces P and Q is measured to be 50N, then the rolling friction between these two surfaces should most likely to be:
(a) 75N
(b) 45N
(c) 55N
(d) 65N

If the sliding friction between two surfaces is found to be 8N, then the static friction between these two surfaces is most likely to be:
(a) 5N
(b) 10N
(c) 4 N
(d) 2N

Q. Explain four methods by which friction between two solid surfaces in contact can be reduced.

Q. If the sliding friction between two surfaces is found to be 10 N, then the static friction between these two surfaces is most likely to be:

Q1) If static friction between two surface X and Y found to be 20 N than the rolling friction between these two surfaces should most likely be:

a) 25 N

b) 20 N

c) 5 N

d) 50 N

Q2)Which of the following will produce maximum friction?

a) Rubbing of sand paper with glazed paper

b) Rubbing of sand paper with sand paper

c) Rubbin gof sand paper with glass table

d) Rubbin gof sand paper with aluminium frame

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