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Frictional Force is produced because of ...

Frictional Force is produced because of ………….?

A

Irregularities in two contacting surfaces

B

To stop moving object

C

To make an object move easily

D

None

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Knowledge Check

  • Friction is a :

    A
    contact force
    B
    non-contact force
    C
    magnetic force
    D
    none of the above

  • Lubrication reduces friction because

    A
    lubricant molecules act as ball bearings
    B
    laws of limiting friction are not applicable
    C
    the relative motion is between solid and liquid
    D
    none of the above reasons.

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