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Homework exercises on Forces in Fluids for a Physical Science course. Also refer to Physics, liquids, hydraulics, density, pressure, buoyancy, education, distance learning, Ron Kurtus, School for Champions. Copyright © Restrictions

Forces in Fluids - Homework

INSTRUCTIONS: Print out a copy of this homework assignment, answer the questions correctly, and send the homework to your instructor. (Refer to Forces in Fluids or your text book for the answers.)

YOUR NAME:

Density

1. What is the definition of density?

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2. What is the density of water in the metric system?

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3. Is lead denser on the Earth or on the Moon? Why or why not?

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Pressure

4. What is the equation for Pressure?

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5. Why can spike high heel shoes cause damage to a floor?

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Fluid pressure and gravity

6. What causes water pressure at the bottom of a lake?

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7. How is pressure related to depth of a liquid?

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8. Which direction has the greatest pressure in water? Up or down?

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9. What causes high pressure in the weather?

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10. Why could a sealed bag of snacks bought in Milwaukee and brought to Denver explode?

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Buoyancy

11. Why do bubbles of air get bigger as they float to the surface?

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12. Why does a helium balloon want to go up?

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13. How did Archimedes determine if the statue was pure gold?

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Bernoulli's Principle

14. What happens to air pressure in a tube when the air speed increases?

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15. What causes the lift on an airplane wing?

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