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प्रश्न
Fill in the blank.
Friction is a type of .................
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उत्तर
Friction is a type of contact force.
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संबंधित प्रश्न
Explain why sportsmen use shoes with spikes.
A charged glass rod attracts a charged plastic straw.
Write true or false.
Liquids offer more friction than the gases.
Answer the following in a word or two or in a sentence.
Which type of force acts on a string pulled from both ends?
Answer the following in short.
What do you understand by normal force?
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.
In the following figure, a boy is shown pushing the box from right to left. The force of friction will act on the box
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.
