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A : It is difficult to move a cycle alon...

A : It is difficult to move a cycle along a road with its brakes on.
R : Sliding friction is greater than rolling friction.

A

If both Assertion & Reason are true and the reason is the correct explanation of the assertion

B

If both Assertion & Reason are true but the reason is not the correct explanation of the assertion

C

If Assertion is true statement but Reason is false

D

If both Assertion and Reason are false statements

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Assertion : It is difficult to move a cylce along the roda with its brakes on . Reason : Sliding friction is greater than rolling friction.

"It is difficult to move a cycle along the road with its brakes on". Why?

Static friction is more than sliding friction.

Difference between Sliding friction and rolling friction

Distinguish between sliding friction and rolling friction.

Assertion: It is difficult to move a heavy box by sliding whereas it becomes easier to move the same box when rollers are placed under it. Reason: F_("rolling")ltF_("sliding")ltF_("limitting static") (Rolling friction lt Sliding friction lt limmiting static friction.

It is easier to roll than to pull a barrel along a road. Explain.

Assertion: A body slides down an inclined plane if the angle of friction is more than the angle of the inclined plane with the horizontal. Reason : When the angle of inclination is equal to the angle of friction, the component of weight parallel to the plane is just sufficient to overcome the frictional force.

Rolling friction is always .................. (more/less) than sliding friction.

These questions consists of two statements each printed as Assertion and Reason. While answering these question you are required to choose any one of the following four responses Assertion Static friction acting on a body is always greater than the kinetic friction acting on this body. Reason Coefficient of static friction is more than the coefficient of kinetic friction.