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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. Force divided by pressure= Area.
  3. Why does liquid travel up a straw when you drink from it? Because as pressure decreases the water pressure increases.
  4. 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.
  5. Because 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.
  6. As the speed of a moving fluid increases, its pressure decreases. A frisbee works like this, and a boomerang to.

6 True/False questions

  1. 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.

          

  2. ThrustMoving forwards comes from the engine.

          

  3. DragThis comes from the air lifting the plane.

          

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

          

  5. Pascal's principleAs the speed of a moving fluid increases, its pressure decreases. A frisbee works like this, and a boomerang to.

          

  6. DensityPressure only depends on the depth of the fluid, not the total amount present.

          

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