# Physics Forces Keywords

Energy cannot be created or destroyed, it can only be stored, transferred or dissipated.
conservation of energy
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When two objects interact they exert an equal and opposite force on one another
Reaction Force
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the overall force on a point or object
Resultant force
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A force such as friction which slows down the speed of an object
Resistant force
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The distance the vehicle travels during a drivers reaction time
Thinking Distance
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the distance the car travels under the breaking force
braking distance
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an object which returns to its original shape once the force is stopped
elastic object
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the maximum point where an elastic object can take a force and still extend proportionate to the force
Limit of proportionality
8 of 8

## Other cards in this set

### Card 2

#### Front

When two objects interact they exert an equal and opposite force on one another

Reaction Force

### Card 3

#### Front

the overall force on a point or object

### Card 4

#### Front

A force such as friction which slows down the speed of an object

### Card 5

#### Front

The distance the vehicle travels during a drivers reaction time