Physics (P2) - Motion

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  • Created by: Roma
  • Created on: 13-12-13 21:55
What does a distance-time graph show?
The distance of an object from a starting point (y axis), against time taken (x axis).
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What is the gradient on a distance-time graph?
A line which represents speed. The steeper the gradient, the greater the speed.
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What is velocity?
Speed if an object in a given direction. If the object changed direction, it changes velocity, even if its speed stays the same.
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What is acceleration?
Change in velocity per second.
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What is deceleration?
Negative acceleration. When the value calculated for acceleration is negative, the body is deceleration - slowing down.
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What does a velocity-time graph show?
The velocity of an object (y axis), against the time taken (x axis.)
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What is the gradient on a velocity-time graph?
A line that represents acceleration. The steeper the gradient, the greater the acceleration. If the gradient line is negative, the object is decelerating.
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What does a horizontal line on a velocity-time graph mean?
The acceleration is zero. Therefore the object is travelling at a steady speed.
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What does the area under a velocity time graph represent?
The distance travelled in a given time. The bigger the area, the greater the distance travelled.
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Other cards in this set

Card 2

Front

What is the gradient on a distance-time graph?

Back

A line which represents speed. The steeper the gradient, the greater the speed.

Card 3

Front

What is velocity?

Back

Preview of the front of card 3

Card 4

Front

What is acceleration?

Back

Preview of the front of card 4

Card 5

Front

What is deceleration?

Back

Preview of the front of card 5
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