MEDIUM
8th CBSE
IMPORTANT
Earn 100

What are the three harmful effects of friction?

Important Questions on Friction

MEDIUM
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 11 - Friction>Test Your Learning Outcome>Q 2
List the various ways adopted to reduce friction.
MEDIUM
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 11 - Friction>Test Your Learning Outcome>Q 3
Which is greater, rolling friction or the sliding friction?
MEDIUM
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 11 - Friction>Test Your Learning Outcome>Q 4
Why do athletes wear shoes with spikes?
MEDIUM
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 11 - Friction>Test Your Learning Outcome>Q 5
What force helps a brake system in stopping a moving vehicle?
MEDIUM
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 11 - Friction>Test Your Learning Outcome>Q 6
Why are the soles of your shoes and rubber tyres on the rim of the wheels on vehicles grooved?
MEDIUM
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 11 - Friction>Test Your Learning Outcome>Q 7
How do we reduce friction?
MEDIUM
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 11 - Friction>Test Your Learning Outcome>Q 8
What do you understand by 'lubrication'? Why do we lubricate the moving parts of our vehicles?
EASY
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 11 - Friction>Test Your Learning Outcome>Q 9
What do you understand by 'streamlined shape'?