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प्रश्न
Give an example to illustrate the existence of the force of friction.
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उत्तर
If we stop paddling our bicycle, it gradually slows down and ultimately it stops after traveling a certain distance. This is due to the frictional force between bicycle and ground.
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संबंधित प्रश्न
Explain why sportsmen use shoes with spikes.
Give three examples to illustrate that friction is a necessary evil.
Define rolling friction
Answer the following in a word or two or in a sentence.
Why does a rolling ball stop after moving some distance?
Answer the following in detail.
What are the various effects of force? State one example of each.
Fill in the blank.
The force of friction acting between two bodies in contact while at rest is known as ................ friction.
Tick the most appropriate answer.
Friction for an object can be reduced by
Fill in the blank.
Friction depends upon the ............... of an object.
State if the following statement is true or false. Correct the statement if it is false.
Friction has no relation with our walking or running.
Whenever the surfaces in contact tend to move or move with respect to each other, the force of friction comes into play
