EASY
8th CBSE
IMPORTANT
Earn 100

Why does a rough surface have greater friction than a smooth surface?

Important Questions on Friction

EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 12 - Friction>EXERCISES>Q D
Give two situations where it is desirable to increase friction.
MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 12 - Friction>EXERCISES>Q D
What is 'streamlining'? How is it useful?
EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 12 - Friction>EXERCISES>Q E
Discuss three situations in daily life where friction is an advantage?
EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 12 - Friction>EXERCISES>Q E
Explain with examples the disadvantages of friction.
EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 12 - Friction>EXERCISES>Q E
Explain four methods by which friction between two solid surfaces in contact can be reduced.
EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 12 - Friction>EXERCISES>Q 1
If there was no friction, what would happen to a moving object?
EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 12 - Friction>EXERCISES>Q 2
When you rub your hands together, they become warm. What is this due to?
EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 12 - Friction>EXERCISES>Q 3
If you try to hold a glass with oil on your hands, it tends to slip. Why?