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प्रश्न
Answer the following in a word or two or in a sentence.
Why is difficult for a pen to leave a mark on a highly smooth plastic sheet?
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उत्तर
Because the smooth surface has very less friction.
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संबंधित प्रश्न
Explain why sportsmen use shoes with spikes.
Give examples to show that friction is both a friend and a foe.
Define sliding friction
Tick the most appropriate answer.
Friction for an object can be reduced by
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If you pour some oil onto a floor, the friction would
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Friction depends upon the ............... of an object.
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 detail.
Write the characteristics of the force of friction?
A moving body comes to rest due to friction alone.
Whenever the surfaces in contact tend to move or move with respect to each other, the force of friction comes into play
