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8th CBSE
IMPORTANT
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Friction can be reduced by _____.

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Important Questions on Friction

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8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 12 - Friction>Exercises>Q A
Which of these items lower friction?
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8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 12 - Friction>Exercises>Q B
The frictional force exerted by a smooth surface is _____ than that exerted by a rough surface. (greater, lesser)
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8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 12 - Friction>Exercises>Q B
_____ friction is less than sliding friction.
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8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 12 - Friction>Exercises>Q B
The frictional force on an object moving through air is also known as _____. (Give one word)
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8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 12 - Friction>Exercises>Q B
Honey exerts _____ drag on a spoon than water does.(more, lesser)
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8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 12 - Friction>Exercises>Q B
The spikes on the soles of athletes’ shoes _____ friction with the ground. (increase, decrease)
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8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 12 - Friction>Exercises>Q B
Lubricants _____ (reduces, increases) friction between the rubbing surfaces.
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8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 12 - Friction>Exercises>Q B
Ball bearings reduce friction by replacing sliding friction with _____ friction.