HARD
8th CBSE
IMPORTANT
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Sliding friction is always somewhat greater than static friction.

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Important Questions on Friction

EASY
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 12 - Friction>Chapter Review>Q 4
Air and fluids do not cause any friction. 
MEDIUM
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 12 - Friction>Chapter Review>Q 5
Friction is desirable as well as undesirable. 
MEDIUM
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 12 - Friction>Chapter Review>Q 1
What type of force is the frictional force? 
 
MEDIUM
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 12 - Friction>Chapter Review>Q 2
What type of friction is created when an object starts moving from its state of rest?
HARD
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 12 - Friction>Chapter Review>Q 3
What is lubrication used for? 
MEDIUM
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 12 - Friction>Chapter Review>Q 4
What is the shape of a ship that reduces the frictional force created by air and water?
HARD
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 12 - Friction>Chapter Review>Q 1
How is force of friction a contact force? 
EASY
8th CBSE
IMPORTANT
GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 12 - Friction>Chapter Review>Q 2
Why is it difficult to walk on a wet floor?