Bernoulli's, Archimedes and pascal principle

Why is the top of an airplane wing curved?

• a. To create an area of low pressure above the wing

• b. To create an area of high pressure above the wing

• c. To create equal pressure above and below the wing

• d. To make the wing look really cool

. Whose Principle is used to describe why flight is possible?

• . a. Newton

• b. Descartes

• c. Bernoulli

• d. Pascal

The faster a fluid moves, the lower the pressure is in the moving fluid compared

to the fluid not moving as fast. This is called

• a. Archimedes' Principle

• b. Bernoulli's Principle

• c. Pascal's Principle

  d. Vice Principle Snyder

. According to Bernoulli's Principle, when the wind speed is high, wind pressure is ________

• a. high

• b. low

• c. not enough information

• d. None of the above

1. The upward force exerted by a liquid on an object immersed in or floating on the liquid

• a. pressure

• b. buoyant force

• c. normal force

• d. gravity

When the weight of an object is greater than the buoyant force, the object will ...

• a. Sink

• b. Float

• c. Expand

• d. Shrink

1. What direction is the buoyant force in?

• a. Downward

• b. Left

• c. Right

• d. Upward

1. What is the formula for density?

• a. density = mass x volume

• b. density = mass / volume

• c. density = mass + volume

• d. density = mass – volume

1. An iron anchor weighs 1112.06 N in air. If it is immersed in sea water, how much force would be required to lift it while it is immersed?

• a. 1112 N

• b. 900.2 N

• c. 965.9 N

• d. 952.6 N

A cube of iron 0.300 m on a side is suspended (in equilibrium) from a rope in a giant tank of water. What is the tension in the rope?

• a. 1720N

• b. 1600 N

• c. 1552 N

• d. 1810N