Questão 1
Responda
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a spring
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an engine
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a movement
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a push or pull
Questão 2
Questão
Which answer shows three non-contact forces?
Responda
-
magnetism, gravity, friction
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gravity, friction, upthrust
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gravity, static electricity, magnetism
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upthrust, static electricity, friction
Questão 3
Questão
The unit of force is the:
Responda
-
newton
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kilogram
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gram
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metre
Questão 4
Questão
A force can be measured using:
Responda
-
a stop clock
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a ruler
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a thermometer
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a force meter
Questão 5
Questão
A boat will float because
Responda
-
gravity does not work over water.
-
it is built out of light materials.
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upthrust pushes against its weight.
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it has air inside it.
Questão 6
Questão
You can find the volume of the object in the can by:
Questão 7
Questão
An elastic material
Questão 8
Questão
What are the units for weight and mass?
Responda
-
weight - newtons
mass - kilograms
-
weight - kilograms
mass - newtons
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weight - kilograms
mass - kilograms
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weight - newtons
mass - newtons
Questão 9
Responda
-
Your weight would be the same on the Earth and on the Moon.
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Your mass would be the same on the Earth and on the Moon.
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Your weight would be more on the Moon than on the Earth.
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Your mass would be less on the Moon than on the Earth.
Questão 10
Questão
What do most force meters have inside them?
Responda
-
a light bulb
-
a spring
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wires
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a battery
Questão 11
Questão
Which of the following sentences about friction is not correct?
Responda
-
Friction can make an object get hotter.
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Friction wears car tyres away.
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Friction slows down a ball rolling in grass.
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Friction can speed up a falling object.
Questão 12
Questão
Which of these would produce the most friction when they rub together?
Questão 13
Questão
Which example shows unhelpful friction?
Responda
-
friction between a tyre and the road
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friction in the wheel axles of a bicycle
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friction between paper and the point of a pencil
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friction between your shoes and the floor
Questão 14
Questão
Which of the following is not an example of a lubricant?
Questão 15
Questão
The speed of a car is a measure of how _________ it is travelling. Which is the missing word?
Questão 16
Questão
If a car goes faster:
Responda
-
the thinking distance does not change.
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its stopping distance increases.
-
its braking distance does not change.
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its braking distance gets less.
Questão 17
Questão
Which of these factors will help a car to stop quickly?
Responda
-
a tired driver
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going uphill
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worn tyres
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a wet road
Questão 18
Questão
This graph shows the distance moved by someone catching a bus. Which part of the graph shows the person waiting at the bus stop?
Responda
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a to b
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b to c
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c to d
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d to e
Questão 19
Questão
A foce can be a [blank_start]____[blank_end] or [blank_start]____[blank_end] .
Responda
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colour
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direction
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flavour
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pull
-
push
-
shape
-
speed
Questão 20
Questão
Forces can change the shape, [blank_start]____[blank_end] or [blank_start]____[blank_end] of things.
Responda
-
colour
-
direction
-
flavour
-
pull
-
push
-
speed
Questão 21
Questão
Which of these is an example of useful friction?
Responda
-
shoes on floor
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in an engine
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axles in a bike
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wet road
Questão 22
Questão
Select all the ways to increase the friction between two surfaces.
Responda
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make surfaces rougher
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use oil
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make surfaces smoother
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use water
Questão 23
Questão
Which pictures shows balanced forces?
Questão 24
Questão
What will happen to the speed of the car?
Responda
-
speed up
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slow down
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stay the same
Questão 25
Questão
What will happen to the speed of the boat?
Responda
-
slow down
-
stay the same
-
speed up
Questão 26
Questão
Select all the correct statements.
Responda
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Mass is the amount of substance in something.
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Weight is the amount of substance in something.
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Your mass would be the same on the Earth and the Moon.
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Your weight would be the same on the Earth and the Moon.
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Mass is a force.
Questão 27
Questão
Rizwan cycled to his friend’s house. This distance/time graph shows his journey. How far is it from Rizwan’s house to his friend’s house?
Responda
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1 mile
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2 miles
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3 miles
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4.5 miles
Questão 28
Questão
Rizwan cycled to his friend’s house. This distance/time graph shows his journey. Rizwan cycled down a steep hill on his journey. Which part of the graph shows this?
Responda
-
Between 0 and 10 minutes
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Between 10 and 30 minutes
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Between 36 and 50 minutes
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Between 50 and 54 minutes
Questão 29
Questão
Rizwan cycled to his friend’s house. This distance/time graph shows his journey. Rizwan stopped for a rest during his ride. How long did he stop for?
Responda
-
4 minutes
-
6 minutes
-
8 minutes
-
10 minutes