EASY
8th CBSE
IMPORTANT
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Static friction is (greater/ lesser/ equal) than the sliding friction.

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Important Questions on Friction

EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 12 - Friction>Chapter Practice>Q 2
_____ is produced by friction.
EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 12 - Friction>Chapter Practice>Q 3
Ball bearings reduce friction because they rolls rather than _____.
EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 12 - Friction>Chapter Practice>Q 4
Smooth surfaces produce _____(less/more) friction than rough surfaces.
EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 12 - Friction>Chapter Practice>Q 5
All objects moving in fluids have _____ shape to reduce friction.
EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 12 - Friction>Chapter Practice>Q 6
The substances are used in machines to protect their surface from wear and tear caused by _____ (Work / Friction) are called lubricants.
EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 12 - Friction>Chapter Practice>Q 7
We pour a drop of oil on the hinge of door to _____friction.
EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 12 - Friction>Chapter Practice>Q 8
Friction can never be entirely _____.
EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 12 - Friction>Chapter Practice>Q 9
Cars and speedboats are _____(painted/streamlined) to reduce drag.