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प्रश्न
Define sliding friction
उत्तर
The minimum force required to keep the body moving over a surface such that it moves equal distances in equal intervals of time is called the force of sliding friction.
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संबंधित प्रश्न
Write true or false.
The sliding friction is more than the rolling friction.
What is the cause of friction?
Tick the most appropriate answer.
A car skids on a wet or muddy road due to
Fill in the blank
Rolling friction is ............. than sliding friction.
Fill in the blank.
Smoother the surface, ................. is the frictional force offered by it.
Fill in the blank.
Friction depends upon the ............... of an object.
Fill in the blank.
Bicycles use ...................... to reduce friction between the pedals and the crank
State if the following statement is true or false. Correct the statement if it is false.
Friction is offered by all the three states of matter.
Complete the analogy.
Knot in a thread : _____ friction : : Ball bearing : _____ friction
Assertion: Friction always opposes the motion.
Reason: Whenever one surface moves or tries to move over another surface, the force of friction starts acting on the surfaces.
