Falling objects and drag

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What happens when you drop an object?
It falls directly towards the ground because of the gravitational attraction between the object and the object.
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What happens when there is nothing to stop an object from falling?
The gravity will cause it to start moving downwards the Earth.
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However when an object is falling through the air..
there is a frictional force in the opposite direction called air resistance. As the speed increases, the size of the opposing drag force increases.
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What happens to a falling object when there is no atmosphere?
There is no drag force on a moving object.
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How do you work out the weight of an object?
mass of object x gravitational field strength
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Other cards in this set

Card 2

Front

What happens when there is nothing to stop an object from falling?

Back

The gravity will cause it to start moving downwards the Earth.

Card 3

Front

However when an object is falling through the air..

Back

Preview of the front of card 3

Card 4

Front

What happens to a falling object when there is no atmosphere?

Back

Preview of the front of card 4

Card 5

Front

How do you work out the weight of an object?

Back

Preview of the front of card 5

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