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13 Cards in this Set
- Front
- Back
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What does motion mean?
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Distance from another object is changing.
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What is a referance point?
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A place or object used for comparison to determine if something is i motion.
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What is the basic SI unit of length?
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Meter
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What is the deffinition of speed?
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Speed of an object is the distance the object travels per unit of time.
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What is the equation for speed?
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Speed equals distance over time.
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When you know both the speed and direction of an objects motion,What do you automaticaly know?
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The velocity of an object.
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What is velocity?
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Speed in a given direction.
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What is the deffinition of slope?
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The steepness, or slant, of a line on a graph.
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What does acceleration mean?
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The rate at which velocity changes.
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In science what does acceleration refer to?
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Increasing speed, decreasing speed, or changing direction.
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How do you determine the acceleration of an object?
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You must calculate the change in velocity during each unit of time.
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What does linear mean?
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-The graphed line rises the same amount each second.
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What does non linear mean?
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The graph of distance versus time is a curved line.
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