15870732
Beschreibung
Quiz von Jeffrey Piggott, aktualisiert more than 1 year ago
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Erstellt von Jeffrey Piggott
vor etwa 6 Jahre
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Frage 1
Frage
A cup contains hot liquid.
Some of the liquid evaporates.
What happens to the mass and what happens to the weight of the liquid in the cup?
Antworten
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A mass : decreases ; weight : decreases
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B mass : decreases ; weight : stays the same
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C mass : stays the same ; weight ; decreases
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D mass : stays the same ; weight ; stays the same
Frage 2
Frage
A concrete post is carried up a very high mountain. At the top of the mountain, the gravitational field is slightly weaker than at the bottom.
What is the effect of this weaker field on the mass and on the weight of the post at the top of the mountain?
Antworten
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A mass: is less ; weight : is less
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B mass ; is less ; weight : is unchanged
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C mass : is unchanged ; weight : is less
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D mass : is unchanged ; weight : is unchanged
Frage 3
Frage
An astronaut in an orbiting spacecraft experiences a force due to gravity. This force is less than when she is on the Earth’s surface.
Compared with being on the Earth’s surface, how do her mass and her weight change when she goes into orbit?
Antworten
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A mass in orbit : decreases ; weight in orbit : decreases
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B mass in orbit : decreases ; weight in orbit : unchanged
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C mass in orbit : unchanged ; weight in orbit : decreases
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D mass in orbit : unchanged ; weight in orbit : unchanged
Frage 4
Frage
Which statement about mass or weight is correct?
Antworten
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A Mass is a force.
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B Mass is measured in newtons.
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C Weight is a force.
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D Weight is measured in kilograms.
Frage 5
Frage
Which instrument is used to compare the masses of objects?
Antworten
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A a balance
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B a barometer
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C a manometer
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D a measuring cylinder
Frage 6
Frage
A customer goes to a market and buys some rice. The stallholder pours rice into a dish that hangs from a spring balance. He records the reading on the spring balance.
The customer then buys some pasta and the stallholder notices that the reading on the spring balance, with just pasta in the dish, is the same as it was with just rice in the dish.
The rice and the pasta must have the same
Image:
Mwq7 (binary/octet-stream)
Antworten
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A density.
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B temperature.
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C volume
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D weight.
Frage 7
Frage
Which is the unit for force and which is the unit for weight?
Antworten
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A force = kg; weight = kg
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B force = kg; weight = N
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C force = N; weight = kg
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D force = N; weight = N
Frage 8
Frage
A geologist places a small rock on the left-hand pan of a balance. The two pans are level as shown when masses with a total weight of 23 N are placed on the right-hand pan. Take the weight of 1.0 kg to be 10 N.
What is the mass of the small rock?
Image:
Q9 (binary/octet-stream)
Antworten
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A 0.023 kg
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B 2.3 kg
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C 23 kg
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D 230 kg
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