MEDIUM
8th CBSE
IMPORTANT
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The surface of the head of a matchstick and sides of a matchbox are made rough to 

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Important Questions on Friction

MEDIUM
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 12 - Friction>Chapter Review>Q 5
Friction is a type of 
MEDIUM
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 12 - Friction>Chapter Review>Q 1
Friction is effective only when the bodies are in _____ with each other. 
EASY
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 12 - Friction>Chapter Review>Q 2
 Friction always _____ the motion of the body and tries to bring it to rest. 
EASY
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 12 - Friction>Chapter Review>Q 3
_____ friction is the amount of force required to retain the state of motion of a moving object at the same speed.
EASY
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 12 - Friction>Chapter Review>Q 4
Ball bearings are used to reduce _____ between the moving surface of a machine.
EASY
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 12 - Friction>Chapter Review>Q 5
The shoes of athletes are provided with special _____ to increase friction. 
MEDIUM
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 12 - Friction>Chapter Review>Q 1
Force of friction is a contact force. 
EASY
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 12 - Friction>Chapter Review>Q 2
Friction causes wear and tear of the surfaces of contact of the bodies.