KIN 3309 Lecture Notes - Lecture 9: Linear Motion, Discrete-Time Signal, Dot Product

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General motion: combination of linear and angular motion. Can be broken down into either linear or angular: most common type of motion in humans. Biking and running linear motion as a result of angular motion of the legs and. Linear motion arns: translation or translational motion, movement on a straight or curved path, all points on a body move the same distance at the same time. Angular motion: motion about a fixed point, different regions do not move through the same distance. Scalars: described by magnitude, mass, distance, speed, volume. Vectors: described by both magnitude and direction, velocity, force and acceleration, represented by arrows. Sampling rate: reduction of a continuous signal to a discrete signal, sampling interval (t) Amount of time separating the samples: sampling rate (f) Position: an o(cid:271)je(cid:272)t"s lo(cid:272)ation in spa(cid:272)e, scalar do not confuse with displacement! Distance: change in position, scalar do not confuse with displacement!

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