EASY
8th CBSE
IMPORTANT
Earn 100

Explain why a pencil will write on paper but not on the glass.

Important Questions on Friction

EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 12 - Friction>Short Answer Type Questions>Q 44

Explain why it is very difficult to climbing a greasy pole?

EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 12 - Friction>Short Answer Type Questions>Q 45
Why does a matchstick light when we strike it on a rough surface?
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 12 - Friction>Short Answer Type Questions>Q 46
Why is it difficult to light a matchstick by striking it on a smooth surface?
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 12 - Friction>Short Answer Type Questions>Q 47
Which parts wear away first in shoes? Give a reason for your answer.
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 12 - Friction>Short Answer Type Questions>Q 48
Why do brake pads of bicycles have to be replaced quite often?
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 12 - Friction>Short Answer Type Questions>Q 49
A pencil eraser loses tiny pieces of rubber each time you use it. Why does this happen? 
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 12 - Friction>Short Answer Type Questions>Q 50
What happens when you rub your hands vigorously for a few seconds? Why does this happen?     
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 12 - Friction>Short Answer Type Questions>Q 51
Explain how, friction enables us to walk without slipping.