1
1 mark
1 markWhich of the quantities below is weight an example of?
Field strength
Acceleration
Mass
Force
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Mass & Weight (Cambridge O Level Physics)
Exam Questions
31 mins19 questions21 mark
1 markWhich 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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31 mark
1 markHow 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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41 mark
1 markWhich 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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51 mark
1 markWhich of the following quantities is measured in kilograms?
weight
mass
pressure
density
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11 mark
1 markWhich piece of equipment is used to measure the mass of an object?
A burette
A balance
A manometer
A trundle wheel
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21 mark
1 markA baker uses a balance to weigh out some ingredients to make bread.
She weighs out some white flour, then she weighs out some wholemeal flour. She notices that the reading on the balance is the same for both types of flour.
The baker can conclude that the two flours have the same:
volume
density
weight
internal energy
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31 mark
1 markAn 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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41 mark
1 markAn 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 mass of the astronaut on the Moon?
50 kg
128 N
800 N
80 kg
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51 mark
1 markAn astronaut travels to Mars.
Which row describes how his mass and his weight compare with their sizes on Earth?
| Mass | Weight | |
| A | different | different |
| B | different | the same |
| C | the same | different |
| D | the same | the same |
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61 mark
1 markWhich row shows the mass and the weight of an object on the Earth’s surface?
[gravitational field strength g = 10 N/ kg]
| Mass / kg | Weight /N | |
|
A B C D |
2 2 5 5 |
0.20 10 5.0 50 |
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11 mark
1 markA 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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21 mark
1 markA 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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31 mark
1 markThe 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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41 mark
1 markAn 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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51 mark
1 markAn object is put on the left hand side of the balance, shown below, in order to determine its weight.
Masses are added to the right hand side until it balances.
The table below shows the effect of various weight combinations.
|
Masses on the right hand side |
Effect |
|
100g, 50g, 50g, 20g, 5g, 2g |
Balance tips slightly to the right |
|
200g, 10g, 10g, 5g |
Balance tips slightly to the left |
Which of the masses below is most likely to be the mass of the object?
226 g
230 g
220 g
225 g
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61 mark
1 markA 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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