In the space below, make a sketch of angular displacement, , as a function of time as you slowly and steadily bring your foot from beneath you, to the extended position. Appendix A has a nice review of how to sketch a plot of “something” vs. “another thing”. You may find the drawing function in Google docs useful in creating the plot. Or you can sketch it out on paper and attach a photograph of the sketch, your preference.
Angular speed, acceleration and displacement
Angular acceleration is defined as the rate of change in angular velocity with respect to time. It has both magnitude and direction. So, it is a vector quantity.
Angular Position
Before diving into angular position, one should understand the basics of position and its importance along with usage in day-to-day life. When one talks of position, it’s always relative with respect to some other object. For example, position of earth with respect to sun, position of school with respect to house, etc. Angular position is the rotational analogue of linear position.
In the space below, make a sketch of
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