Define pressure.

Important Questions on Gravitation

MEDIUM

9th CBSE

IMPORTANT

Science for Ninth Class Part 1 Physics>Chapter 3 - Gravitation>Long Answer Type Questions>Q 58

What is the relation between pressure, force and area?

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 $200 \mathrm{N}$ is exerted on an area of $10 {\mathrm{m}}^2$ .

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 $200 \mathrm{N}$ is exerted on an area of $5 {\mathrm{m}}^2$.

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 $12 {\mathrm{cm}}^3$, and a mass of $96 \mathrm{g}$. What is its density in $\mathrm{g}/{\mathrm{cm}}^3$?