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Quiz von Jeffrey Piggott, aktualisiert more than 1 year ago
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Erstellt von Jeffrey Piggott
vor mehr als 5 Jahre
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Frage 1
Frage
The diagram shows a simple mercury barometer.
The atmospheric pressure increases.
Which distance increases?
Antworten
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A VW
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B WY
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C XY
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D XZ
Frage 2
Frage
A force acts on an area to produce a pressure.
Which changes produce the same pressure?
Antworten
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A double the area and double the force.
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B double the area and halve the force.
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C double the area and make the force four times bigger.
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D halve the area and double the force.
Frage 3
Frage
Identical toy bricks are placed one on top of another to make a tower on a table.
Which graph shows the relationship between the pressure P that the tower exerts on the table and the weight W of the tower?
Antworten
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A
-
B
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C
-
D
Frage 4
Frage
The water creates a total force on each section of the dam and an average pressure on each section of the dam.
Which statement is correct?
Antworten
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A The average pressure on X equals the average pressure on Y.
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B The average pressure on X is less than the average pressure on Y.
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C The total force on X equals the total force on Y.
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D The total force on X is less than the total force on Y.
Frage 5
Frage
The diagram shows a simple mercury barometer alongside a mercury manometer.
The manometer contains some trapped gas.
What is the pressure of the trapped gas?
Antworten
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A 10 cm of mercury
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B 50 cm of mercury
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C 66 cm of mercury
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D 86 cm of mercury
Frage 6
Frage
The diagram shows a simple mercury barometer.
Which height is used as a measurement of atmospheric pressure?
Antworten
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A
-
B
-
C
-
D
Frage 7
Frage
The diagram shows a stone suspended under the surface of a liquid from a string. The stone experiences a pressure caused by the liquid.
What would increase the pressure on the stone?
Antworten
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A decreasing the surface area of the stone
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B increasing the mass of the stone
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C lowering the stone deeper into the liquid
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D using a liquid with a lower density
Frage 8
Frage
The diagram shows a simple mercury barometer, used to measure atmospheric pressure.
Atmospheric pressure decreases.
Which row states what happens to the pressure at point P and what happens to the level L?
Antworten
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A pressure at P - decreases; level L - falls
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B pressure at P - decreases; level L - rises
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C pressure at P - stays the same ; level L - falls
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D pressure at P - stays the same ; level L - rises
Frage 9
Frage
The diagram represents moving gas molecules in a sealed container of fixed volume.
The temperature of the gas is now increased.
What happens to the pressure of the gas, and what happens to the speed of the gas molecules?
Antworten
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A pressure of gas - increases; speed of molecules - increases
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B pressure of gas - increases; speed of molecules - unchanged
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C pressure of gas - unchanged; speed of molecules - increases
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D pressure of gas - unchanged; speed of molecules - unchanged
Frage 10
Frage
The diagram shows a manometer with one side connected to a gas cylinder and the other side open to the atmosphere.
Which conclusion can be made using only the information from liquid levels in the manometer?
Antworten
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A The density of the gas is less than the density of air.
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B The density of the gas is greater than the density of air.
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C The pressure of the gas is less than atmospheric pressure.
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D The pressure of the gas is greater than atmospheric pressure.
Frage 11
Frage
The diagram shows a solid block resting on a bench. The dimensions of the block are shown.
On which labelled surface should the block rest to produce the smallest pressure on the bench?
Antworten
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A P
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B Q
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C R
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D any of P, Q or R
Frage 12
Frage
Four physics teachers investigate pressure. They wear identical clothes and lie on different beds of nails.
The table gives the weight of each teacher and the total area of contact between the teacher and the nails.
Which teacher experiences the least pressure from the nails?
Antworten
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A
-
B
-
C
-
D
Frage 13
Frage
A man is in contact with the floor.
In which of these situations does he produce the least pressure on the floor?
Antworten
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A kneeling
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B lying flat on his back
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C standing on both feet
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D standing on one foot
Frage 14
Frage
A vehicle sinks into soft ground.
The vehicle is changed so that it does not sink as far.
Which change is made?
Antworten
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A a lower centre of mass.
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B a more powerful engine.
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C wheels that are further apart
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D wider tyres
Frage 15
Frage
A manometer is used to measure the pressure of a gas trapped in a cylinder.
At which labelled point on the diagram is the pressure greatest?
Antworten
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A
-
B
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C
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D
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