Constants A string is wrapped around a uniform solid cylinder of radius r = 0.6 m, as shown in (Figure 1). The cylinder can rotate freely about its axis. The loose end of the string is attached to a block. The block and cylinder each have mass m = 8.5 kg Part A Find the magnitude a of the angular acceleration of the cylinder as the block descends. a = Figure 1 of 1> Submit Request Answer Provide Feedback Next >

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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.