Forces In Fluids Question Preview (ID: 8337)


This Quiz Covers Concepts Of Buoyancy, Pressure. TEACHERS: click here for quick copy question ID numbers.

The amount of force exerted on an area is known as
a) inertia
b) pressure
c) momentum
d) gravity

According to Pascal, pressure changes in fluids
a) are distributed equally.
b) move to areas of least resistance.
c) only occurs in weightless situations, like in space.
d) is applicable only for liquids, not gases.

Devices that use liquids to transmit pressure from one point to another are known as
a) gravitational disturbances.
b) simple machines.
c) hydraulic devices.
d) moving objects.

Bernoulli's principle states that pressure by a moving fluid is __________ the pressure of the fluid when it is not moving.
a) greater than
b) less than
c) equal to
d) fluctuating depending on the temperature of the atmosphere

Objects float or sink depending upon
a) their density in relation to the density of the medium.
b) the amount of air in them.
c) the amount of matter present
d) the speed of the object

Who stated that "the buoyant force on an object in a fluid is an upward force equal to the weight of the volume of fluid that the object displaces"?
a) Pascal
b) Bermoulli
c) Archimedes
d) Newton

Which of the following is an application of Bernoulli's Principle?
a) floating ships
b) inflated balloons
c) hydraulic engines
d) flying birds

When you inhale, fluids flow from ___________ to ___________ pressure.
a) low to high
b) high to low
c) high to high
d) low to low

When a balloon is squeezed, according to Pascal's Principle, where does the pressure inside the balloon increase the most?
a) Near the open end
b) Near the end farthest from the open end
c) equally throughout the balloon
d) in the center of the balloon

What force opposes or restricts motion in fluids?
a) momentum
b) rolling friction
c) sliding friction
d) drag

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