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प्रश्न
Tick the most appropriate answer.
Friction for an object can be reduced by
विकल्प
providing wheels
lubricating
streamlining
all of these
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उत्तर
all of these
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संबंधित प्रश्न
Write true or false.
The sliding friction is more than the rolling friction.
Name the two kinds of forces in nature.
When you apply brakes, the bicycle stops and the rim of the wheel becomes hot? Explain the reason.
Give three examples to illustrate that friction is a necessary evil.
Define static friction
Define sliding friction
Arrange the following in descending order:
- static friction
- sliding friction and
- rolling friction?
Answer the following in detail.
What are the various effects of force? State one example of each.
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.
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.
