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प्रश्न
Tick the most appropriate answer.
Friction is offered by
विकल्प
solids
liquids
gases
all of these
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उत्तर
all of these
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संबंधित प्रश्न
When you apply brakes, the bicycle stops and the rim of the wheel becomes hot? Explain the reason.
Define sliding friction
Answer the following in a word or two or in a sentence.
Why does a rolling ball stop after moving some distance?
Tick the most appropriate answer.
Force of friction comes into play when a/an
Tick the most appropriate answer.
A car skids on a wet or muddy road due to
Answer the following in detail.
Describe three different ways by which friction can be increased to help us in various situations?
A moving body comes to rest due to friction alone.
Why is a ball bearing used in a cycle hub?
Friction depends on the ______ of two surfaces in contact.
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.
