Grade 9 Physics – Pressure in Fluids (General, 2 Mark & 3 Mark Questions)

Grade 9 Physics – Pressure in Fluids (General, 2 Mark
& 3 Mark Questions)

🔹2 MARK QUESTIONS WITH ANSWERS
1.​ Define pressure and give formula.

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Answer:

🔹
Pressure is thrust per unit area.
Formula: P = F/A

2.​ State Pascal’s law.

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Answer:
Pressure applied to a liquid is transmitted equally in all directions
without loss.

3.​ What is atmospheric pressure?

🔹
Answer:
It is the pressure exerted by the weight of air on the earth’s surface.

4.​ Write any two factors affecting liquid pressure.

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Answer:

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Depth
Density

5.​ Why do camels have broad feet?

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Answer:
To reduce pressure by increasing area and avoid sinking in sand.

🔹3 MARK QUESTIONS WITH ANSWERS
1.​ Explain pressure in liquids.

🔹
Answer:

🔹
Liquids exert pressure due to their weight.
Pressure increases with depth.