4080658
Descripción
Test por Winston Schultz, actualizado hace más de 1 año
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Creado por Winston Schultz
hace alrededor de 9 años
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Pregunta 1
Pregunta
Atmospheric pressure is caused by the
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weight of the atmosphere.
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temperature of the atmosphere.
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solar energy on the atmosphere.
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density of the atmosphere.
Pregunta 2
Pregunta
In drinking soda or water through a straw, we make use of
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Bernoulli's principle.
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capillary action.
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atmospheric pressure.
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surface tension.
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none of the above
Pregunta 3
Pregunta
Marshmallows in a vacuum (no atmospheric pressure) become
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smaller.
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larger.
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a hollow shell.
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flat.
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none of the above
Pregunta 4
Pregunta
When a gas in a container is squeezed to half its volume with no change in temperature, the gas pressure
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remains the same.
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doubles.
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quadruples.
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halves.
Pregunta 5
Pregunta
When a gas in a container is squeezed to half its volume, its density
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remains the same.
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halves.
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doubles.
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quadruples.
Pregunta 6
Pregunta
When boarding an airplane you bring a bag of chips. While in flight the bag puffs up, because
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suction is occurring.
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air pressure is affected by the Bernoulli principle.
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air pressure in the air-tight bag is greater than cabin air pressure.
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all the above
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none of the above
Pregunta 7
Pregunta
A bubble of air released from the bottom of a lake
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becomes smaller as it rises.
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alternately expands and contracts as it rises.
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rises to the top at constant volume.
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becomes larger as it rises.
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none of the above
Pregunta 8
Pregunta
Compared with air pressure on the outside, air pressure inside an inflated stretched balloon is
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greater.
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less.
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equal.
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need more information
Pregunta 9
Pregunta
As a high-altitude balloon rises higher into the atmosphere, it undergoes a decrease in
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volume.
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weight.
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mass.
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density.
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none of the above
Pregunta 10
Pregunta
As a fluid gains speed, its internal pressure
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increases.
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decreases.
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remains unchanged
Pregunta 11
Pregunta
An airplane flight best illustrates
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Archimede's Principle.
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Bernoulli's Principle.
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Boyle's Law.
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Pascal's Principle.
Pregunta 12
Pregunta
When water is turned on in a shower, the shower curtain moves toward the water spray. This partly involves
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capillary action.
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pressure changes in moving fluids.
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surface tension.
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none of the above.
Pregunta 13
Pregunta
Wind blowing over the top of a hill
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does not affect atmospheric pressure there.
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increases atmospheric pressure there.
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decreases atmospheric pressure there.
Pregunta 14
Pregunta
The tarp covering on a trailer or truck puffs upward for fast-moving vehicles, which illustrates
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Archimede's Principle.
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the principle of continuity.
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Bernoulli's Principle.
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Pascals's Principle.
Pregunta 15
Pregunta
A spinning tossed baseball veers off course in the direction of
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non-crowded streamlines
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reduced air pressure on the ball
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increased air pressure on the ball
Pregunta 16
Pregunta
The Bernoulli's effect causes fast-moving vans on the highway to be drawn together when
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they experience lift.
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air speeds up in passing between them.
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air between them stagnates.
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all of the above.
Pregunta 17
Pregunta
When you blow air between a pair of closely-spaced pin-pong balls suspended by strings, the balls swing
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toward each other
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away from the stream ,but not necessarily away from each other.
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away from each other
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