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10 Cards in this Set
- Front
- Back
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Force |
A push, pull or twist on an object, changing the motion or shape of it |
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Mass |
The amount of matter in an object. Measured in kilograms |
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Weight |
A force acting on an object due to gravity. Measured in Newtons. |
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Motion |
Movement or moving |
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Contact |
Where two surfaces touch |
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Newton |
The unit of force |
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Acceleration |
A change in speed over time |
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Resultant force |
A single force representing the sum of all the forces acting on an object |
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Friction |
A force that holds back the movement of a sliding object |
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Air resistance |
The force of friction produced when an object moves through the air |
