MEDIUM
8th CBSE
IMPORTANT
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Ball bearings are used to _____.

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Important Questions on Friction

MEDIUM
8th CBSE
IMPORTANT
A car is moving towards north-east direction. The force of friction is acting towards _____ direction. 
MEDIUM
8th CBSE
IMPORTANT
Choose the odd one. Give reasons for your choice.
MEDIUM
8th CBSE
IMPORTANT
Choose the odd one. Give reasons.
MEDIUM
8th CBSE
IMPORTANT
Choose the odd one. Give reasons.
MEDIUM
8th CBSE
IMPORTANT
Rolling friction is _____ than sliding friction.
MEDIUM
8th CBSE
IMPORTANT
We make grooves in the tyres of bicycles to _____ (increase / decrease) friction.
MEDIUM
8th CBSE
IMPORTANT
It is the force of _____ (gravity / friction) which holds screws and nails in the wood.
MEDIUM
8th CBSE
IMPORTANT
Bullet trains have _____ (streamlined / sharpened) bodies.