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प्रश्न
Fill in the blank.
Smoother the surface, ................. is the frictional force offered by it.
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उत्तर
Smoother the surface, lesser is the frictional force offered by it.
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संबंधित प्रश्न
When a glass rod is rubbed with a piece of silk cloth the rod ______.
Fill in the blank.
We use ball bearings to .................. the friction.
List three ways of reducing 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?
Tick the most appropriate answer
Friction always
Fill in the blank
Rolling friction is ............. than sliding friction.
Answer the following in a word or two or in a sentence.
Name the force responsible for opposing the motion between two bodies in contact.
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.
