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10 Cards in this Set
- Front
- Back
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Speed
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the measure of the distance an object moves during a period of time
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Accelerate
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when motion increases an object’s speed does this
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Inertia
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tendency of a moving object to keep moving, and the tendency of an object atrest to remain at rest
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Motion
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movement |
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Distance
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how far an object moves along a path as it changes its position
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Force
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a push or a pull
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Friction
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the force between two objects that are touching; slows motion
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Unbalanced forces
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two forces that are NOT equal in size
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Gravity
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the force of attraction between Earth and objects on its surface
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Balanced forces
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two forces that are equal in size but opposite in direction
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