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7 Written Questions

6 Multiple Choice Questions

  1. This comes from air resistance.
  2. Why does liquid travel up a straw when you drink from it? Because as pressure decreases the water pressure increases.
  3. Force divided by pressure= Area.
  4. An amount of force exerted on a given area.
  5. Moving forwards comes from the engine.
  6. The upward force that fluids exert on all matter. Buoyant Force is caused by differences in fluid pressure.

6 True/False Questions

  1. Atmospheric pressureThis= Force divided by Area. Square meter/ n divided by meter2

          

  2. PressureThe amount of matter in a certain volume. Water is more dense than air; and therefore, it exerts more pressure.

          

  3. Archimedes' PrincipleA change in pressure at any point in an enclosed fluid will be transmitted equally to all parts of that fluid. Uses and examples: brakes, power, lifters, etc. Liquids are best used in hydraulic devices because they cannot be compressed into smaller spaces like gases can.

          

  4. Bernoulli's principleA change in pressure at any point in an enclosed fluid will be transmitted equally to all parts of that fluid. Uses and examples: brakes, power, lifters, etc. Liquids are best used in hydraulic devices because they cannot be compressed into smaller spaces like gases can.

          

  5. PressureThe metric (SI) unit for pressure. Abbreviation: Pa.

          

  6. Plane's and their pressurePressure caused by the weight of the atmosphere. Earth's atmosphere is held in place by gravity. Although we don't feel this pressure because the fluids in our body exert an equal outward pressure. The closer you are to Earth's surface you are, the greater the pressure because you are "deep" in the atmosphere.

          

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