PEDS207 Lecture Notes - Moment Of Inertia, Maximum Force, Jerky
28 Apr 2013
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Document Summary
Chapter 3 principles of motion and stability. Overview: principles of motion and stability that lead to proficient performance, relationship between principles and motor behaviours characteristic of various skill levels. Biomechanics: the study of physics specifically applied to the body. Beginner throwers have a jerky movement and they have more basic movement. Changes are predictable: based on optimizing principles of motion and stability, can be seen across variety of motor skills, often produce more force, velocity, or accuracy. Newton"s first law: an object at rest stays at rest and an object in motion stays in motion until acted upon by a force. Inertia is resistance to motion related to mass: momentum is the product of mass and velocity. We must exert force to: move objects, move ourselves. It is harder to move: more force application is required. Force to swing the bat and the ability to stop the bat.
