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7 Written Questions

6 Multiple Choice Questions

  1. All fluids exert pressure. Pressure is created by the particles in a fluid pushing against each other and the sides of whatever container they are in. Fluids exert pressure equally in all directions.
  2. This= Force divided by Area. Square meter/ n divided by meter2
  3. The metric (SI) unit for pressure. Abbreviation: Pa.
  4. An amount of force exerted on a given area.
  5. The upward force that fluids exert on all matter. Buoyant Force is caused by differences in fluid pressure.
  6. The wing shape on a plane os what causes different speed of air, which affects pressure. The air that foes over the wing must travel faster than the wing to meet up at the end. This creates less pressure above the wing compared to below which creates lift.

6 True/False Questions

  1. DensityThe metric (SI) unit for pressure. Abbreviation: Pa.

          

  2. LiftThis comes from the air lifting the plane.

          

  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. Force, Pressure, and AreaBecause pressure increases with depth, the pressure on the bottom of the object is greater that n the pressure on the top. Therefore, there is a net upward force on the object.

          

  5. FluidAll fluids exert pressure. Pressure is created by the particles in a fluid pushing against each other and the sides of whatever container they are in. Fluids exert pressure equally in all directions.

          

  6. Atmospheric pressureBecause pressure increases with depth, the pressure on the bottom of the object is greater that n the pressure on the top. Therefore, there is a net upward force on the object.

          

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