Additional physics: frictional force and drag

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What is friction?
Friction is a force that will always act in the opposite direction of movement.
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When do you get friction?
When two surfaces rub together, or when an object passes through a fluid.
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What's needed to travel at a steady speed?
The driving force needs to balance the frictional force.
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What are most of e frictional forces caused by ?
Drag or air resistance
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What affects the drag of an object when it moves through a fluid?
The shape of it.
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What is the name for shapes that cause a small amount of drag?
Aerodynamic
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When do frictional forces from fluids increase?
When the speed of the object increases.
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Other cards in this set

Card 2

Front

When do you get friction?

Back

When two surfaces rub together, or when an object passes through a fluid.

Card 3

Front

What's needed to travel at a steady speed?

Back

Preview of the front of card 3

Card 4

Front

What are most of e frictional forces caused by ?

Back

Preview of the front of card 4

Card 5

Front

What affects the drag of an object when it moves through a fluid?

Back

Preview of the front of card 5
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