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प्रश्न
Tick the most appropriate answer.
Friction for an object can be reduced by
पर्याय
providing wheels
lubricating
streamlining
all of these
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उत्तर
all of these
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संबंधित प्रश्न
Name the three kinds of friction.
Give three examples to illustrate that friction is a necessary evil.
Answer the following.
What do you understand by a force?
Fill in the blank.
.................... is the SI unit of force.
Tick the most appropriate answer.
Friction produces
Fill in the blank.
Smoother the surface, ................. is the frictional force offered by it.
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.
When you push something heavy, the resistance you feel decreases as soon as the object starts moving. Explain the reason.
Answer the following in detail.
Write the characteristics of the force of friction?
Whenever the surfaces in contact tend to move or move with respect to each other, the force of friction comes into play
