# physics test

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• Created by: eden1
• Created on: 05-10-15 13:18
what is acceleration?
a change in speed per unit time
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what is the equation for accelaration?
change in speed / time
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what is the unit for accelaration?
m/s^2
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what is deceleration?
slowing down.
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what is speed?
the distance traveled in a certain amount of time.
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what is the equation for speed?
distance / time
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what does constant speed look like on a distance-time graph ?
positive corrolation (/)
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what does stationary speed look like on a distance-time graph ?
a horizontal line (-)
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what does constant speed look like in an opposite direction on a distance-time graph ?
a negative correlation (\)
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what does accelerating look like on a distance-time graph ?
a curved positive correlation (J)
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what does decelerating look like on a distance-time graph ?
a curved line which goes up then down (r)
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what is the gradient of a distance time-graph used to calculate?
the speed
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what is velocity?
speed in a given direction.
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what is another equation for acceleration?
final velocity - starting velocity / time
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what does uniform acceleration in a speed time graph look like?
positive corrolation (/)
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what does uniform decceleration in a speed time graph look like?
a negative corrolation (\)
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what does constant speed in a speed time graph look like?
a horizontal line (-)
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what does stationary speed in a speed time graph look like?
a horizontal line at the bottom of the graph (_)
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what does increasing acceleration in a speed time graph look like?
a curved positive correlation (J)
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what does decreasing acceleration in a speed time graph look like?
a curved line which goes up then down (r)
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what does decreasing decceleration in a speed time graph look like?
a curved negative correlation ((_)
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what does increasing acceleration in a speed time graph look like?
a curved negative correlation ())
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how do you work out the distance traveled in a speed time graph?
the area under a speed time graph.
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what is the equation for force?
mass * acceleration
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what is the equation for stopping distance?
thinking distance + braking distance
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what is work?
energy needed to move an object.
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## Other cards in this set

### Card 2

#### Front

what is the equation for accelaration?

#### Back

change in speed / time

### Card 3

#### Front

what is the unit for accelaration?

### Card 4

#### Front

what is deceleration?

what is speed?