MEDIUM
8th CBSE
IMPORTANT
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What is a streamlined body? How is it helpful for a body to have such a shape?

Important Questions on Force and Pressure

MEDIUM
8th CBSE
IMPORTANT
Basic Science for Class 8>Chapter 8 - Force and Pressure>Exercises>Q B

How does oiling help reduce friction?

EASY
8th CBSE
IMPORTANT
Basic Science for Class 8>Chapter 8 - Force and Pressure>Exercises>Q B
How does using ball bearings help reduce friction?
MEDIUM
8th CBSE
IMPORTANT
Basic Science for Class 8>Chapter 8 - Force and Pressure>Exercises>Q B
When you push something heavy, the resistance you feel decreases as the body starts moving. Explain what happens.
EASY
8th CBSE
IMPORTANT
Basic Science for Class 8>Chapter 8 - Force and Pressure>Exercises>Q B
What is the characteristic that magnetic, electrostatic and gravitational forces have in common?
MEDIUM
8th CBSE
IMPORTANT
Basic Science for Class 8>Chapter 8 - Force and Pressure>Exercises>Q B
What happens when a body leaves the earth’s gravitational field? Give one example.
MEDIUM
8th CBSE
IMPORTANT
Basic Science for Class 8>Chapter 8 - Force and Pressure>Exercises>Q B
If everything in the universe attracts everything else, why do we not attract each other?
EASY
8th CBSE
IMPORTANT
Basic Science for Class 8>Chapter 8 - Force and Pressure>Exercises>Q B
Why is the moon’s force of gravity less than that of the earth?
MEDIUM
8th CBSE
IMPORTANT
Basic Science for Class 8>Chapter 8 - Force and Pressure>Exercises>Q C
What does a spring balance measure? How would you demonstrate the principle on which it works?