Science - P3 - Forces and Motion

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Forces ALWAYS occur in pairs:
- that are the same size - act in opposite directions - act on different objects
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Forces can make things..
speed UP or slow DOWN.
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THINKING distance depends on..
the state of the DRIVER and the SPEED of the vehicle.
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BRAKING distance depends on..
the state of the ROAD, VEHICLE and SPEED
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Moving object possess KINECTIC ENERGY...
The faster they travel, the more KE they possess. The greater the mass the more KE they possess.
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Safety features of cars that absorb energy when the cars stop:
-crumple zones -seat belts -air bags.
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TERMINAL SPEED is..
the maximum speed reached by a falling object - this happens when the forces are both balanced.
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The forces on a falling object depend on:
- the spped of the object -the area of the object
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Falling objects get..
FASTER when they fall. however the ACCELERATION of all object is the same at any point on the Earth's surface.
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Other cards in this set

Card 2

Front

speed UP or slow DOWN.

Back

Forces can make things..

Card 3

Front

the state of the DRIVER and the SPEED of the vehicle.

Back

Preview of the back of card 3

Card 4

Front

the state of the ROAD, VEHICLE and SPEED

Back

Preview of the back of card 4

Card 5

Front

The faster they travel, the more KE they possess. The greater the mass the more KE they possess.

Back

Preview of the back of card 5
View more cards

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