Motion

Motion

1. Scalar Magnitudes

   • Definition: Scalars have values or have magnitude. However, it doesn't include direction.
   • Distance
     • A type of scalar measurement that only measures the length traveled.
   • Speed
     • A type of scalar measurement the rate at which someone or something is moving without direction.
       • Speed = Distance / Time
     • OTHER EXAMPLES: density, temperature, time, length, volume

2. Vector Magnitudes

   • Definition: Vectors have values or magnitude. They also include direction.
     • DIRECTION EXAMPLES: north, south east, west, northwest, northeast, southwest, southeast, left, right, up, down, inward, outward, returning to start, stationary, steady speed up, steady speed down. 
   • Displacement
     • A type of vector measurement that measures the length traveled and direction.
     • "AS THE CROW FLIES" is a term used (on a map) meaning the shortest distance back to the start point. This means instead of going around obstacles, you can go over them.
   • Velocity
     • A type of velocity measurement the rate at which someone or something is moving including direction.
       • Velocity = Distance / Time
     • OTHER EXAMPLES: weight, momentum, acceleration, force
     • Instantaneous Velocity or Speed
       • An instant of speed. When on a graph, the instantaneous speed is calculated by using ONE SEGMENT and use the speed formula.
     • Average Velocity or Speed
       • The overall speed of the ENTIRE graph. This means you calculate th TOTAL amount of distance and TOTAL time. Finally, you use the distance formula.

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