EASY
8th CBSE
IMPORTANT
Earn 100

Smooth and shiny surfaces have zero friction.

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Important Questions on Friction

EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 10 - Friction>Check Point>Q 2
Lubricants are used to increase friction.
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 10 - Friction>Check Point>Q 2
Polishing a surface reduces friction.
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 10 - Friction>Check Point>Q 2
Players rub their hands in the dust on the ground to improve the grip by increasing friction.
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 10 - Friction>Check Point>Q 2
Use of talcum powder on a carrom board increases friction.
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 10 - Friction>Check Point>Q 1
Rolling friction can be more than static friction.
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 10 - Friction>Check Point>Q 1
It is easier to slide than rolling an empty cylinder.
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 10 - Friction>Check Point>Q 1
In a ball bearing, metallic balls are arranged in a ring form.
MEDIUM
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 10 - Friction>Check Point>Q 2
Match the correct answer:
a. girl pulling a trolley with a roller (i)static friction
b. boy pulling a trolley without roller (ii) fluid friction
c. a child flying a paper plane (iii) rolling friction
d. a man pushing a stationary box (iv) sliding friction