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 F a = 100 N F b = ? Area a = 10 cm 2 Area b = 300 cm 2 Find F b

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?