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प्रश्न
Tick the most appropriate answer.
If you pour some oil onto a floor, the friction would
विकल्प
increase
decrease
remain the same
none of these
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उत्तर
decrease
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संबंधित प्रश्न
Name the two kinds of forces in nature.
Give an example to illustrate the existence of the force of friction.
What is the cause of friction?
State two factors which directly affect the force of friction.
Define static friction
Fill in the blank.
.................... is the SI unit of force.
Answer the following in a word or two or in a sentence.
Why does a rolling ball stop after moving some distance?
Fill in the blank.
More the roughness of a surface, greater is the ........................
Answer the following in detail.
Define friction and explain how it is useful to us.
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.
