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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
Answer the following in short.
What do you understand by normal force?
Fill in the blank.
More the roughness of a surface, greater is the ........................
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 always
State if the following statement is true or false. Correct the statement if it is false.
Friction is offered by all the three states of matter.
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.
Answer the following in short.
How can sliding friction be changed into rolling friction easily?
Answer the following in detail.
Define friction and explain how it is useful to us.
Answer the following in detail.
Describe three different ways by which friction can be increased to help us in various situations?
Assertion: Friction always opposes the motion.
Reason: Whenever one surface moves or tries to move over another surface, the force of friction starts acting on the surfaces.
