MEDIUM
9th CBSE
IMPORTANT
Earn 100

Why do skiers not sink in the fresh snow? Explain.

Important Questions on Gravitation

MEDIUM
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 3 - Gravitation>EXERCISE>Q (j)
Why do the sledges used by Eskimos have no wheels? Explain.
MEDIUM
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 3 - Gravitation>Practice Problems>Q 1
Relative density of silver is 10.8. The density of water is 103 kg/m3. What is the density of silver in SI unit?
EASY
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 3 - Gravitation>Practice Problems>Q 2
Find the relative density of a metal whose density is 4200 kg/m3. Density of water is 1000 kg/m3.
EASY
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 3 - Gravitation>EXERCISE>Q 1
The force experienced by a body when partially or fully immersed in water is called:
EASY
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 3 - Gravitation>EXERCISE>Q 2
When a body is floating in a liquid:
EASY
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 3 - Gravitation>EXERCISE>Q 3
With the increase in the density of a fluid, the upthrust experienced by a body _______ when immersed in it.
EASY
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 3 - Gravitation>EXERCISE>Q 4
A solid piece of lead experiences certain upthrust. The lead piece is then shaped into a hollow cube and placed in the same liquid. The upthrust acting on it:
EASY
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 3 - Gravitation>EXERCISE>Q 5
The apparent weight of a body in a fluid is: