EASY
8th CBSE
IMPORTANT
Earn 100

All surfaces look uneven at the microscopic level.

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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
Opening of irregularities of two surfaces is called interlocking.
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 10 - Friction>Check Point>Q 2
Interlocking is much more between smooth surfaces than rough surfaces.
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 10 - Friction>Check Point>Q 2
Interlocking between two surfaces increases when they are pressed harder against each other.
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 10 - Friction>Check Point>Q 2
Sliding friction is always larger than static friction.
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 10 - Friction>Check Point>Q 2
It is easier to slide an empty box than a filled box.
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 10 - Friction>Check Point>Q 1
_____ (Normal force/ Frictional force) enables us to drive vehicles on roads.
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 10 - Friction>Check Point>Q 1
One _____ when walking on a smooth and greasy surface.
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 10 - Friction>Check Point>Q 1
Rubbing palms against each other makes them _____ (cold/ normal/ warm).