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5 Cards in this Set
- Front
- Back
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motion
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the action or process of moving or being moved |
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speed
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past and past participle of speed destanc over time
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velocity
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Velocity is a physical vector quantity; both magnitude and direction are needed to define it. The scalar absolute value (magnitude) of velocity is called "speed", a quantity that is measured in metres per second (m/s or m⋅s−1) in the SI (metric) system.
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reference point
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a basis or standard for evaluation, assessment, or comparison; a criterion
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displacement
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A displacement is the shortest distance from the initial to the final position of a point P. Thus, it is the length of an imaginary straight path, typically distinct from the path actually travelled by P. A displacement vector represents the length and direction of this imaginary straight path.
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