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प्रश्न
Tick the most appropriate answer.
A car skids on a wet or muddy road due to
विकल्प
increased friction between the road and the tires.
lubrication of brakes on a wet road.
reduced friction between the road and the tires.
streamlined shape of the car
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उत्तर
reduced friction between the road and the tires.
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संबंधित प्रश्न
Friction depends on the ______ of surfaces.
Write true or false.
The sliding friction is more than the rolling friction.
Fill in the blank.
We use ball bearings to .................. the friction.
Name the two kinds of forces in nature.
When you apply brakes, the bicycle stops and the rim of the wheel becomes hot? Explain the reason.
Give three examples to illustrate that friction is a necessary evil.
Arrange the following in descending order:
- static friction
- sliding friction and
- rolling friction?
Tick the most appropriate answer.
Friction is offered by
Answer the following in detail.
Define friction and explain how it is useful to us.
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.
