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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
Define static friction
Arrange the following in descending order:
- static friction
- sliding friction and
- rolling friction?
Answer the following in a word or two or in a sentence.
Why does a rolling ball stop after moving some distance?
Fill in the blank.
More the roughness of a surface, greater is the ........................
Fill in the blank.
Rolling friction offers ............. resistance than sliding friction.
Tick the most appropriate answer.
If you pour some oil onto a floor, the friction would
Fill in the blank.
Smoother the surface, ................. is the frictional force offered by it.
A moving body comes to rest due to friction alone.
Is there any possibility of making a special device to measure the magnitude of friction directly?
Complete the analogy.
Knot in a thread : ______ friction :: Ball bearing : ______ friction.
