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प्रश्न
Name the three kinds of friction.
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उत्तर
Friction is of three kinds:
- Static friction
- Sliding friction,
- Rolling friction
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संबंधित प्रश्न
Explain why sportsmen use shoes with spikes.
Fill in the blank.
We use ball bearings to .................. the friction.
Define sliding friction
State if the following statement is true or false. Correct the statement if it is false.
If two forces acting in opposite directions on a body arc of equal magnitude, then the body will not move.
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 produces
Fill in the blank.
Smoother the surface, ................. is the frictional force offered by it.
Answer the following in detail.
Describe three different ways by which friction can be increased to help us in various situations?
Explain how friction can be minimized.
Friction depends on the ______ of two surfaces in contact.
