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Science
Physics
Unit A - Lesson 1: Motion and Motion Graphs
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Kinematics
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the study of motion without considering the forces that produce the motion
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mrusinek
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Terms in this set (15)
Kinematics
the study of motion without considering the forces that produce the motion
Dynamics
the study of how forces affect moving objects
Scalar
A physical quantity that has magnitude only.
Vector
A quantity that has magnitude and direction
Position
the straight-line distance and direction of an object from a starting point
Displacement
Distance and direction of an object's change in position from the starting point.
Average Speed
total distance divided by total time
Velocity
A variable that tells you both speed and direction - Displacement/time
Average Velocity
Object's displacement divided by change in time - the slope of a secant on a position-time graph
Secant
straight line intersecting a curve at two points
