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प्रश्न
Answer the following in a word or two or in a sentence.
Why does a rolling ball stop after moving some distance?
उत्तर
Due to frictional force acting on it which resists/opposes the motion of the object.
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संबंधित प्रश्न
Give examples to show that friction is both a friend and a foe.
Sometimes, a crackling sound is heard while taking off a sweater during winters. Explain.
Write true or false.
The sliding friction is more than the rolling friction.
When you apply brakes, the bicycle stops and the rim of the wheel becomes hot? Explain the reason.
Answer the following.
What do you understand by a force?
Fill in the blank.
More the roughness of a surface, greater is the ........................
Fill in the blank.
Weight remaining the same, friction is independent of ............. of surface in contact.
Tick the most appropriate answer.
Friction is offered by
Tick the most appropriate answer.
If you pour some oil onto a floor, the friction would
A moving body comes to rest due to friction alone.
