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5 Written questions

5 Multiple choice questions

  1. the distance an object travels per unit of time.
  2. constant falling speed of an o bject when all forces on it are balanced
  3. wingspan divided by the average width of the wing
  4. upward force of air on a plane's wings
  5. number that indicates how effectively the wing of a bird or plane produces lift (weight divided by the wing area)

5 True/False questions

  1. gravityforce toward Earth that acts on all objects that have mass

          

  2. thrustrearward force of air on a plane

          

  3. Wingspannumber that indicates how effectively the wing of a bird or plane produces lift (weight divided by the wing area)

          

  4. Bernoulli Effectfluids flowing close to a curved surface follow the shape of the surface rather than straight path due to a weak attractive force

          

  5. Coanda Effectstates that when a fluid moves faster, it exerts less pressure