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12 Cards in this Set
- Front
- Back
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Friction |
The force that one surface exerts on another when the two surfaces rub together |
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Static friction |
Friction that acts on objects that are not moving |
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Sliding friction |
Friction that occurs when one solid surface slides over another |
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Rolling friction |
Friction that occurs when an object rolls over a surface |
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Fluid friction |
Friction that occurs as an object moves through a fluid |
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Gravity |
The force that pulls objects towards each other |
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Mass |
The amount of matter in an object |
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Weight |
The force of gravity on an object at the surface of a planet |
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Free fall |
The motion of a falling object when the only force acting on it is gravity |
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Air resistance |
The fluid friction experienced by objects falling through the air |
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Terminal energy |
The greatest velocity a falling object can achieve |
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Projectile |
An object that is thrown |
