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Liquid Pressure. Pascal's Principle
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| Tutorial ID | Title | Tutorial | Video Tutorial | Revision Notes | Revision Questions | |
|---|---|---|---|---|---|---|
| 9.3 | Liquid Pressure. Pascal's Principle |
Liquid Pressure. Pascal's Principle Revision Questions
1. Humpback anglerfish is a deep-sea creature that can bear up to 30.3 million Pascal of water pressure.
Given that the density of sea-water is 1030 Pa and gravity g = 9.81 m/s2, calculate the maximum depth a humpback anglerfish can immerse.
- 30 m
- 300 m
- 3000 m
- 30 000 m
Correct Answer: C
2. Calculate the density (in g/cm3) of the unknown liquid X shown in the figure below. Take density of water equal to 1 g/cm3.
- 750 g/cm3
- 0.75 g/cm3
- 1333 g/cm3
- 1.33 g/cm3
Correct Answer: D
3. How many 80-kg people can we lift by using the hydraulic lift shown in the figure if the apply a 4 N force on the narrow side? Take g ≈ 10 m/s2.
- 3
- 6
- 30
- 60
Correct Answer: A
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- Continuing learning density and pressure - read our next physics tutorial: Gas Pressure
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