Which of the quantities below is weight an example of?
Field strength
Acceleration
Mass
Force
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Mass, Weight & Density
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Mass, Weight & Density
Which of the quantities below is weight an example of?
Field strength
Acceleration
Mass
Force
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Which of the following statements about mass or weight is true?
weight is measured in kilograms
mass = weight x gravitational field strength
weight is measured in Newtons
mass is a force
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How is the weight of an object defined?
The force of the ground pushing on an object
A measure of the quantity of matter of an object at rest to the observer
The mass per unit volume of an object
The gravitational force acting on an object with mass
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Which row in the table gives the correct units for mass and for weight?
Mass | Weight | |
A | kg | kg |
B | N | kg |
C | N | N |
D | kg | N |
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Which of the following quantities is measured in kilograms?
weight
mass
pressure
density
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A student is given four objects, a mass balance and a metre ruler.
Which of the objects can he determine the density of , using only the metre ruler and the mass balance?
Bolt , aluminium and plastic
Wood, bolt and plastic
Aluminium , wood and plastic
Aluminium , wood and bolt
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Which piece of equipment is used to measure the mass of an object?
A burette
A balance
A thermometer
A trundle wheel
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The diagram shows a measuring cylinder containing a liquid , and that same measuring cylinder when it is empty.
What is the density of the liquid?
6.30 g/cm3
3.00 g/cm3
0.33 g/cm3
0.16 g/cm3
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A geologist wants to determine the density of the object shown below.
What needs to be known in order to calculate its density ?
The radius of the base of the cone and the weight of the cone.
The surface area of the base of the cone and the height of the cone.
The volume of the cone and the mass of the cone.
The height of the cone and the mass of the cone.
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Two beams have the same rectangular cross section, but one is longer than the other.
Both beams are made from the same material.
Which quantity is the same in both beams?
The volume
The weight
The mass
The density
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A student wants to measure the density of a piece of rock. She starts by measuring its mass , and finds that it is 2500 g.
Next she puts 500 cm3 of water into a large measuring cylinder , then adds the rock. The level in the measuring cylinder rises to 800 cm3.
What is the density of the rock?
8.33 g/cm3
3.125 g/cm3
0.12 g/cm3
0.32 g/cm3
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Some unknown liquid in a beaker has a mass of 200 g and a volume of 230 cm3.
The density of water is 1.0 g/cm3
How does the density of the unknown liquid compare with the density of water?
Its density is greater than the density of water
Its density is less than the density of water
Its density is the same as the density of water
With the information given, it is impossible to tell.
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The two diagrams below show a measuring cylinder.
In the diagram on the left, the measuring cylinder is empty. In the diagram on the right, the measuring cylinder contains a liquid.
What is the density of the liquid?
0.20 g/cm3
5.00 g/cm3
0.28 g/cm3
3.57 g/cm3
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A lump of butter has a volume of 350 cm3 and a mass of 319 g.
What is the density of the butter?
31 g/cm3
1.10 g/cm3
1.00 g/cm3
0.911 g/cm3
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A cube of side length 5 cm is placed on a mass balance.
What is the density of the cube?
1.0 g/cm3
0.20 g/cm3
5.12 g/cm3
4.88 g/cm3
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An astronaut has a mass of 80 kg on the Earth.
The gravitational field strength on the Moon is 1.6 N/kg.
What is the weight of the astronaut on the Moon?
50 kg
128 N
800 N
80 kg
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The density of a block of wood is 2.7 g/cm3 and a mass of 583.8 g.
What is its volume?
0.5 cm3
21.6 cm3
216.2 cm3
1574.9 cm3
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A teacher has a hot cup of tea.
Some of the liquid in the cup evaporates.
Choose the line from the table below that correctly describes what happens to the mass and the weight of the tea in the cup.
Mass | Weight | |
A | increases | decreases |
B | increases | increases |
C | decreases | decreases |
D | decreases | increases |
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A dummy, named Starman, dressed in a white racing suit, was launched into space by Elon Musk’s first Falcon Heavy rocket. Starman was sent on a journey towards Mars.
Compared with being on the Earth’s surface, how do Starman’s mass and weight change when he is on his journey to Mars?
Mass |
Weight |
|
A |
stays the same |
decreases |
B |
stays the same |
stays the same |
C |
decreases |
decreases |
D |
decreases |
stays the same |
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The diagram shows a ball of bread dough, before and after it has been compressed (had the air knocked out of it).
What happens to the mass and the weight of the dough when it is compressed?
Mass |
Weight |
|
A |
stays the same |
decreases |
B |
stays the same |
stays the same |
C |
decreases |
decreases |
D |
decreases |
stays the same |
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An astronaut buys a 5.0 kg tin of Quality Street chocolates on Earth.
She takes that 5.0 kg tin of Quality Street chocolate to the Moon.
What is the mass of the tin of Quality Street chocolate on the Moon?
More than 5.0 kg
Less than 5.0 kg, but more than 0.0 kg
5.0 kg
0.0 kg
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A cheesemonger uses a newton meter to measure the weight of a block of cheese.
The cheese has a weight of 5.0 N
What is the approximate mass of the cheese?
0.05 kg
0.5 kg
5 kg
50 kg
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A block of an unknown material is shown in the diagram.
It's mass is 500 g.
What is the density of the block?
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A teacher wants to measure the density of a wooden cylinder.
She measures the radius, height and mass of the cylinder.
Which of the measurements that she has taken are required to calculate the density of the cylinder?
Radius, height and mass
Radius and height only
Mass and height only
Mass only
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The masses and volumes of four different objects are given in the table.
Which of the objects has the lowest density?
Mass / g | Volume / cm3 | |
A | 100 | 100 |
B | 150 | 50 |
C | 85 | 17 |
D | 10 | 20 |
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A block is shown in the diagram. It has a mass of m.
Which expression, below, could be used to calculate the density of the block?
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Four blocks, W, X , Y and Z are shown below.
Which of the two blocks have the same density?
W and X
W and Y
Y and Z
W and Z
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