EASY
8th Jammu and Kashmir Board
IMPORTANT
Earn 100

Why is the sewing machine often oiled?

Important Questions on Friction

EASY
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 14 - Friction>Exercises>Q 1

Why do new automobile tyres have deep grooves?

EASY
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 14 - Friction>Exercises>Q 1
Why does a ball rolling on the ground slow down?
EASY
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 14 - Friction>Exercises>Q 1
Why are the boats and aeroplane given special shape?
EASY
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 14 - Friction>Exercises>Q 1

Why do meteors burns on entering into the atmosphere?

EASY
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 14 - Friction>Exercises>Q 1

Why do painters use sand papers in polishing doors?

EASY
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 14 - Friction>Exercises>Q 1
Why is it easier to tie a knot with cotton string as compared to silk string?
EASY
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 14 - Friction>Exercises>Q 2
Friction always acts in the direction _____ (same/opposite) to the direction of applied force.
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8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 14 - Friction>Exercises>Q 2

_____ (Static/ Rolling) friction is a self-adjusting force.