# P3

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What does the gradient suggest on a distance time graph?
Speed.
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What does gravity act on?
Everything.
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What does drag do?
Slowing something down.
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What does tension occur in?
A rope or cable.
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What three things main ways of friction?
Friction between solid surfaces which are gripping, solid surfaces which are sliding past each other and resistance or drag from fluids, liquids or gasses.
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What does the terminal speed of a moving object depend on?
Drag.
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If the forces on a object are balanced, what will the object do?
It will keep moving at the same speed, in the same direction.
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What happens to the object if the forces are unbalanced?
It will accelerate in the same direction as the dominating force.
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What is stopping distance?
The ditance covered in the time the person spots the hazard to them coming to a compete stop.
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How do you work out stopping distance?
Thinking distance plus breaking distance.
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What does speed effect more? Thinking or breaking distance.
Breaking distance.
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What happens to the velocity when the mass increases?
It also increases.
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What does ABS breaking do?
Help the driver keep control of the cars stealing when they break hard.
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When is work done?
When a force makes an object move, energy is transferred and work is done.
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What is GPE?
Gravitational potential energy.
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What is power?
The rate of doing work (eg: how much per second.)
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What is power measured in?
Watts (or j/s.)
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What is fuel consumption?
The amount of fuel used.
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What do cars release when they burn fuel?
Emissions.
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What are the three types of fuel?
Fossil fuels, biofuels and electric charge.
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## Other cards in this set

### Card 2

#### Front

What does gravity act on?

Everything.

### Card 3

#### Front

What does drag do?

### Card 4

#### Front

What does tension occur in?

### Card 5

#### Front

What three things main ways of friction?