# P4-Explaining motion

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What is GPE?
height Energy
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What is velocity?
describes the speed and direction
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What is kinetic energy?
energy of movement
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What is instantaneous speed?
the distance travelled by a vehicle in a set time
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Kinetic energy equation
1/2 x mass x velocity2
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Whats instantaneous velocity?
speed and direction at a given moment in time
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what is acceleration
change in velocity(speed) in a certain amount of time
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acceleration equation
change in velocity/time taken
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what is displacement?
distance in a given direction
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What is resultant force?
is the overall force acting on a object
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equation for change in GPE
Weight x vertical height difference
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equation for change of momentum
resultant force x time for which force acts
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equation for work done
force x distance moved in direction of force
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## Other cards in this set

### Card 2

#### Front

What is velocity?

#### Back

describes the speed and direction

### Card 3

#### Front

What is kinetic energy?

### Card 4

#### Front

What is instantaneous speed?

### Card 5

#### Front

Kinetic energy equation