PHYS 031 Chapter Notes - Chapter 1: Rotation Around A Fixed Axis, One Direction

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Chapter 1: concepts of motion in one dimension. Motion is the change of an object"s position overtime. Translational motion: linear, circular, and projectile, in which the object moves through space and the path along which the object moves is called its trajectory. Rotational motion: somewhat different than translational because rotation is a change of the object"s angular position. Motion diagrams show all frames simultaneously & the same amount of time elapses between each image (same time interval) Particle: an object that can be represented as a mass at a. Position versus time (vertical axis vs. horizontal axis) Scalar quantity: a physical quantity described by a single. Vector quantity: a quantity having both size (magnitude) and direction. Time interval: measures the elapsed time as an object moves from an initial position r at time t to a final position r at time t (i = initial and f = final)

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