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# Bernoullis Principle 2

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### Bernoullis Principle 2

1. 1. Bernoulli’s Principle<br />Chapter 11 Section 4<br />
2. 2. Fluid Motion<br />Fluids flow from high pressure to low pressure<br />How does this relate to drinking out of a straw?<br />Higher air pressure pushing down on the surface of the drink forces fluid up straw where there is less pressure.<br />
3. 3. Bernoulli’s Principle<br />The faster a fluid moves, the less pressure it exerts.<br />As fluid speed increases, the pressure decreases.<br />Remember, air is fluid!<br />
4. 4. Turn to pg. 437 and try Standards Warm-up<br />Draw a picture of what you did and draw arrows to show the side where the force is greater.<br />
5. 5.
6. 6. Objects in Flight<br />IF the air moves faster above the object, fluid pressure pushes the object upward.<br />IF the air move faster below the object, fluid pressure pushes it downward. <br />
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9. 9. Air moves faster when you squeeze the bulb….lowering the air pressure.Higher air pressure in the bottle…<br />