Newton's Third Law of Motion
VVocabulary
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Force | Any influence that tends to accelerate an object. |
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| Acceleration | The rate at which velocity changes. The change may be in magnitude, direction or both. | ||||||
| Weight | Measure of gravitational force acting on an object. |  |
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| Mass | Amount of matter in an object. |
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| Interaction | A mutual action between objects where each object exerts an equal and opposite force on the other. |
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| Newton’s Third Law | Whenever one body exerts a force on a second body, the second body exerts an equal and opposite force on the first. |  |
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| Action Force | One of the pair of forces in Newton’s third law. | ||||||
| Reaction Force | The force that is equal in strength and opposite in direction to the action force, which acts simultaneously on whatever is exerting the action force. |