MEDIUM
9th CBSE
IMPORTANT
Earn 100

What is the relation between pressure, force and area?

Important Questions on Gravitation

EASY
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 3 - Gravitation>Long Answer Type Questions>Q 58
Calculate the pressure when a force of 200 N is exerted on an area of 10 m2 .
EASY
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 3 - Gravitation>Long Answer Type Questions>Q 58
Calculate the pressure when a force of 200 N is exerted on an area of 5 m2.
MEDIUM
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 3 - Gravitation>Long Answer Type Questions>Q 59
What are fluids? Name two common fluids.
EASY
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 3 - Gravitation>Long Answer Type Questions>Q 59
State Archimedes principle.
MEDIUM
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 3 - Gravitation>Long Answer Type Questions>Q 59
When does an object float or sink when placed on the surface of a liquid ?
MEDIUM
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 3 - Gravitation>Long Answer Type Questions>Q 60
How does a boat float in water?
MEDIUM
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 3 - Gravitation>Long Answer Type Questions>Q 60
A piece of steel has a volume of 12 cm3, and a mass of 96 g. What is its density in g/cm3?
MEDIUM
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 3 - Gravitation>Long Answer Type Questions>Q 60
A piece of steel has a volume of 12 cm3, and a mass of 96 g. What is its density in kg/m3?