EASY
8th CBSE
IMPORTANT
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Sliding friction is (smaller/larger) than rolling friction.

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Important Questions on Friction

EASY
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 12 - Friction>ASSESSMENT ZONE>Q B
Moving parts of machines are oiled to _____(increase/reduce) friction.
EASY
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 12 - Friction>ASSESSMENT ZONE>Q B
Smooth tyres of racing car offer _____ friction.(more/less)
EASY
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 12 - Friction>ASSESSMENT ZONE>Q B
To reduce drag, the object should have _____ shape.
EASY
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 12 - Friction>ASSESSMENT ZONE>Q C
Friction is always advantageous.
EASY
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 12 - Friction>ASSESSMENT ZONE>Q C
The efficiency of a machine is reduced due to friction.
EASY
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 12 - Friction>ASSESSMENT ZONE>Q C
The irregularities present on the surface of objects causes friction.
EASY
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 12 - Friction>ASSESSMENT ZONE>Q C
Friction makes it difficult to walk.
EASY
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 12 - Friction>ASSESSMENT ZONE>Q C
Friction depends on the nature of a surface.