Physics - Motion

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  • Created by: becky.65
  • Created on: 24-03-16 10:33
What is the velocity of an object?
Its speed in a given direction
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What happens if the velocity of a body changes?
We say that it accelerates
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Why is velocity a vector?
Because it has direction as well as magnitude
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Why is speed scalar?
Because it is non-directional
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What does the gradient of the line on a velocity-time graph represent?
Acceleration
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What does it mean if the line on a velocity-time graph is horizontal?
The acceleration is zero, therefore the object is travelling at a steady speed
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Other cards in this set

Card 2

Front

What happens if the velocity of a body changes?

Back

We say that it accelerates

Card 3

Front

Why is velocity a vector?

Back

Preview of the front of card 3

Card 4

Front

Why is speed scalar?

Back

Preview of the front of card 4

Card 5

Front

What does the gradient of the line on a velocity-time graph represent?

Back

Preview of the front of card 5
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