EASY
8th CBSE
IMPORTANT
Earn 100

Which contact force always opposes a motion? Give examples.

Important Questions on Force

EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 9 - Force>EXERCISES>Q C
Describe an activity to show that magnetic forces are non-contact forces.
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 9 - Force>EXERCISES>Q C
'Muscular force of animals is beneficial to man'. Comment on the statement.
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 9 - Force>EXERCISES>Q C
What do you mean by 'state of motion' of an object?
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 9 - Force>EXERCISES>Q C
How can we use spring balance to measure the weight of an object?
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 9 - Force>EXERCISES>Q D
Why a push or a pull is considered a force? Give examples to support your answer.
MEDIUM
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 9 - Force>EXERCISES>Q D
A boy is riding a bicycle. Identify forces or actions involved in the process.
MEDIUM
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 9 - Force>EXERCISES>Q D
Two forces F1 and F2 act on an object towards the left and two forces F3 and F4 act towards the right. Determine the magnitude of the resultant force of an object. Can you tell me on what factors will the direction of resultant force depend?
MEDIUM
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 9 - Force>EXERCISES>Q D
When we stop pedalling a bicycle, it comes to rest after some time. Describe the forces responsible for the change in the state of motion of the bicycle.