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प्रश्न
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.
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उत्तर
Frictional force (friction)
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संबंधित प्रश्न
What is the cause of friction?
When you apply brakes, the bicycle stops and the rim of the wheel becomes hot? Explain the reason.
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 short.
Define force. Write its SI unit.
Fill in the blank.
Weight remaining the same, friction is independent of ............. of surface in contact.
Fill in the blank.
The force of friction acting between two bodies in contact while at rest is known as ................ friction.
Answer the following in detail.
Define friction and explain how it is useful to us.
Complete the analogy.
Knot in a thread : _____ friction : : Ball bearing : _____ friction
Assertion: We can live very happily if friction is not present in nature.
Reason: The airplane shape is streamlined to reduce the effort of frictional force.
Assertion: There is a danger of a vehicle skidding on a wet road.
Reason: The tires of the vehicle lose their grip on the road due to an increase in friction due to the presence of water on the road.
