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Quiz 4-24-13

Quiz 4-24-13. 1. A rectangular shoe box is on a table with the largest side down. It is manipulated to place the smallest side down. Has the pressure on the table changed? Why?. 2.

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Quiz 4-24-13

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  1. Quiz 4-24-13

  2. 1 • A rectangular shoe box is on a table with the largest side down. It is manipulated to place the smallest side down. Has the pressure on the table changed? Why?

  3. 2 • A 75 Kg solid cylinder that is 2.5 m long and has an end radius of 7.0 cm stands on one end. How much pressure does it exert?

  4. 3 • What is the buoyant force acting on a 100 Kg body floating in water?

  5. 4 • In using a hydraulic system, what is the “Trade-Off” for multiplying the force?

  6. 5 • Fa = 100 N • Fb = ? • Areaa = 10 cm2 • Areab = 300 cm2 • Find Fb

  7. 6 • According to Bernoulli, what happens to air as it speeds up? How does that help an airplane fly?

  8. 7. • Why do ailerons cause an airplane to “Tilt” as it is flying?

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