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प्रश्न
When you apply brakes, the bicycle stops and the rim of the wheel becomes hot? Explain the reason.
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उत्तर
It is due to friction between the brakes and the rim of the wheel that it becomes hot.
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संबंधित प्रश्न
Friction depends on the ______ of surfaces.
Write true or false.
Liquids offer more friction than the gases.
Select the correct alternative.
Friction is reduced by
Define sliding friction
Fill in the blank.
.................... is the SI unit of force.
Fill in the blank.
Weight remaining the same, friction is independent of ............. of surface in contact.
Tick the most appropriate answer.
Force of friction comes into play when a/an
Tick the most appropriate answer
Friction always
Tick the most appropriate answer.
Friction produces
Whenever the surfaces in contact tend to move or move with respect to each other, the force of friction comes into play
