speed in a specified direction. - new college leicester · opposite forces. this determines ... the...
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Speed in a specified direction.
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A flat line on this type of graph means stationary.
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Measured in m/s/s (m/s2) or (ms-2).
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Change in velocityTime taken
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‘Amount of stuff’, this remains constant even if you’re on the
moon!
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The size difference between 2 opposite forces. This determines
any changes in movement.
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The size of a resultant force required to produce no change
in movement.
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The maximum speed an object can reach. This can be changed
by producing a non-zero resultant force (often by
increasing / reducing the resistance).
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This is affected by:Your speed
Tiredness, distractions, poor visibility, alcohol, carelessness,
drugs, answering your phone etc.
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The higher you are, the more you have.
Mass x gravity x height
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The faster you go, the more you have.
½ x mass x velocity2
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Kids Hate Learning GCSEEnergy Names.
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Energy cannot be created or destroyed, only transferred into
other types.
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The extension of an elastic object in relation to the force
applied (until the elastic limit of proportionality is reached).
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Also known as Energy Transferred.
Measured in J or Nm
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Momentum before compared with momentum after.
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Opposite charges _______.
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Voltmeters are connected like this so they can measure the difference in energy across a
component.
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This has a constant current, wherever it is measured.
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The average time for the number of nuclei in a
radioactive sample to halve .
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21Velocity
Velocity
Speed in a specified direction.
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22Distance-time graph
Distance-time graph
A flat line on this type of graph means stationary.
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23Acceleration
Acceleration
Measured in m/s/s (m/s2) or (ms-2).
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24Acceleration
Acceleration
Change in velocityTime taken
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25Mass
Mass
‘Amount of stuff’, this remains constant even if you’re on the
moon!
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26Resultant force
Resultant force
The size difference between 2 opposite forces. This determines
any changes in movement.
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27Zero
Zero
The size of a resultant force required to produce no change
in movement.
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28Terminal Velocity
Terminal velocity
The maximum speed an object can reach. This can be changed
by producing a non-zero resultant force (often by increasing / reducing the resistance).
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29Thinking distance
Thinking distance
This is affected by:Your speed
Tiredness, distractions, poor visibility, alcohol, carelessness,
drugs, answering your phone etc.
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30Gravitational potential energy
Gravitational potential energy
The higher you are, the more you have.
Mass x gravity x height
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31Kinetic energy
Kinetic energy
The faster you go, the more you have.
½ x mass x velocity2
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329 Energy types
9 Energy types
Kids Hate Learning GCSEEnergy Names.
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33Law of conservation of energy
Law of conservation of energy
Energy cannot be created or destroyed, only transferred into
other types.
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34Directly proportional
Directly proportional
The extension of an elastic object in relation to the force
applied (until the elastic limit of proportionality is reached).
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35Work done
Work done
Also known as Energy Transferred.
Measured in J or Nm
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36Equal
Equal
Momentum before compared with momentum after.
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37Attract
Attract
Opposite charges _______.
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38Parallel
Parallel
Voltmeters are connected like this so they can measure the difference in energy across a
component.
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39Series circuit
Series circuit
This has a constant current, wherever it is measured.
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40Half life
Half life
The average time for the number of nuclei in a
radioactive sample to halve .