EASY
8th CBSE
IMPORTANT
Earn 100

Define the term rolling friction.

Important Questions on Friction

MEDIUM
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 11 - Friction>EXERCISES>Q 1
Give reasons for the following:
The streamlined shape of the fish helps it in swimming.
MEDIUM
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 11 - Friction>EXERCISES>Q 2
Give reasons for the following:
Rubberised soles on shoes may make you slip on wet floor.
MEDIUM
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 11 - Friction>EXERCISES>Q 3
Give reasons for the following:
Engine of a car gets heated on running.
MEDIUM
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 11 - Friction>EXERCISES>Q 4
Give reasons for the following:
Matchstick does not get ignited when strike against a smooth surface.
MEDIUM
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 11 - Friction>EXERCISES>Q 5
Give reasons for the following:
Lubrication helps in reducing friction.
EASY
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 11 - Friction>EXERCISES>Q 1
What is frictional force?
MEDIUM
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 11 - Friction>EXERCISES>Q 2
Is frictional force desirable? 
MEDIUM
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 11 - Friction>EXERCISES>Q 3
Which force stops a rolling ball along the surface?