HARD
8th CBSE
IMPORTANT
Earn 100

What are contact forces and non-contact forces?

Important Questions on Force and Friction

HARD
8th CBSE
IMPORTANT
Science Now 8>Chapter 10 - Force and Friction>EXERCISE>Q 2
What are sliding friction and rolling friction? Which is more?
EASY
8th CBSE
IMPORTANT
Science Now 8>Chapter 10 - Force and Friction>EXERCISE>Q 3
Mention any three disadvantages of friction.
EASY
8th CBSE
IMPORTANT
Science Now 8>Chapter 10 - Force and Friction>EXERCISE>Q 4
What is static friction?
EASY
8th CBSE
IMPORTANT
Science Now 8>Chapter 10 - Force and Friction>EXERCISE>Q 5
Mention any two ways of increasing friction.
EASY
8th CBSE
IMPORTANT
Science Now 8>Chapter 10 - Force and Friction>EXERCISE>Q 1
Define force. Explain the different effects of force.
MEDIUM
8th CBSE
IMPORTANT
Science Now 8>Chapter 10 - Force and Friction>EXERCISE>Q 2
Explain contact forces and non-contact forces with examples.
MEDIUM
8th CBSE
IMPORTANT
Science Now 8>Chapter 10 - Force and Friction>EXERCISE>Q 3
Describe an activity to show that the force exerted by sliding friction is more than that by rolling friction.
EASY
8th CBSE
IMPORTANT
Science Now 8>Chapter 10 - Force and Friction>EXERCISE>Q 4
Friction is a necessary evil. Explain.