Motion , energy , electricity

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What is speed ?
How fast you are going
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What is velocity ?
How fast you are going and direction
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What is gradient equal to ?
Speed
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What does each part of a distance time graph show ?
Flat - stationary , Straight up - steady speed , Steep - fast , Downhill - going back , Levelling off - slowing down
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What is acceleration ?
How quickly velocity is changing
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What is the gravitational force ?
The force of attraction between all masses
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What is weight measured in ?
Newtons
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what is the resultant force ?
The overall force on a point or object
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Wha does resultant force mean ?
A change in velocity
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What will happen if the resultant force on a stationary object is 0 ?
It will remain stationary
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What will happen if there is no resultant force ?
It will carry on moving
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What are reaction forces ?
Equal and opposite
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What does friction do ?
Slows things down
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What does drag do ?
Increases te
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Other cards in this set

Card 2

Front

What is velocity ?

Back

How fast you are going and direction

Card 3

Front

What is gradient equal to ?

Back

Preview of the front of card 3

Card 4

Front

What does each part of a distance time graph show ?

Back

Preview of the front of card 4

Card 5

Front

What is acceleration ?

Back

Preview of the front of card 5
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