# KINEMATICS

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What is displacement?
distance moved in a particular direction, metres
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What is instantaneous speed?
speed of an object measured over a very small period of time
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What is average speed?
total distance travelled over total time taken
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What is velocity?
change in displacement over time, metres per second
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What is acceleration?
change in velocity over time, metres per second squared
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On a distance-time graph, what is a positive straight line?
constant positive velocity (in positive direction)
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On a distance-time graph, what is a straight line?
stationary
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On a distance-time graph, what is a straight line?
constant negative velocity (change in direction if proceeds positive velocity)
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On a distance-time graph, what does the gradient illustrate?
the velocity
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On a velocity-time graph, what does the gradient represent?
acceleration
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On a velocity-time graph, what is a positive straight line?
constant acceleration
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On a velocity-time graph, what is a straight line?
constant velocity, no acceleration
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On a velocity-time graph, what is illustrated when the line cuts the x-axis?
a change in direction
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On a velocity-time graph, what does the area under the line represent?
total displacement
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On an acceleration-time graph, what is a positive straight line?
constant increasing acceleration
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On an acceleration-time graph, what does the area under the line represent?
total change in velocity
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## Other cards in this set

### Card 2

#### Front

speed of an object measured over a very small period of time

#### Back

What is instantaneous speed?

### Card 3

#### Front

total distance travelled over total time taken

### Card 4

#### Front

change in displacement over time, metres per second

### Card 5

#### Front

change in velocity over time, metres per second squared