Unit 1: Learning Target 1.5 Create & Interpret Motion Graphs:

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Presentation transcript:

Unit 1: Learning Target 1.5 Create & Interpret Motion Graphs: Position (distance) vs. Time Graphs Velocity (speed) vs. Time Graphs

Motion Graphs Two different “motion graphs” are important. Distance vs. Time Graphs (also called Position vs. Time Graphs) Speed vs. Time Graphs (also called Velocity vs. Time Graphs)

Position vs. Time Graphs (also called Distance vs. time graphs) Time is on the X-axis as the independent variable. Position (or distance) is on the Y-axis as the dependent variable. The slope of any graph is Rise/Run or Change in X / Change in Y. The slope of a Position vs. Time Graph is the velocity of the object. Visit the following website for help on Position-Time Graphs: https://www.youtube.com/watch?v=4J-mUek-zGw

Position Vs. Time Graphs (also called distance vs. time graphs) A straight line indicates constant speed. A horizontal line indicates no motion, or zero speed. A positively sloped line indicates motion away from the reference point or positive velocity. A negatively sloped line indicates motion toward the reference point, or negative velocity. A steeper slope indicates a faster speed. The value of the slope is speed defined with units of distance over time. A curved line of changing slope indicates linear acceleration, or a change in speed. The rate of curvature defines the amount of acceleration.

Position vs. Time Graphs

Velocity vs. Time Graphs (also called Speed vs. Time Graphs) Time is on the X-axis as the independent variable. Velocity (or speed) is on the Y-axis as the dependent variable. The slope of any graph is Rise/Run or Change in X / Change in Y. The slope of a Velocity vs. Time Graph is the acceleration of the object. Visit the following website for help with Velocity-Time Graphs: https://www.youtube.com/watch?v=lTE83sP7lQg

Velocity vs. Time Graphs (also called Speed vs. Time Graphs) A straight line indicates the object has velocity. A horizontal line indicates constant velocity, or zero acceleration. A positively sloped line indicates increasing velocity. A negatively sloped line decreasing velocity A steeper slope indicates a higher rate of change. The value of the slope is speed defined with units of velocity over time. A curved line of changing slope indicates increasing/decreasing acceleration, or a changing rate of acceleration. The rate of curvature defines how fast the velocity is changing.

Velocity vs. time graphs