A uniform solid sphere with a r radius is at the end of a light rod with a lenght a like the picture. It is released from rest where the center is level with the axis. What is its angular velocity as it swings through the point where the center is below the axis. (consider the mass of the rod to be negligible compared to that of the disk)
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.
A uniform solid sphere with a r radius is at the end of a light rod with a lenght a like the picture. It is released from rest where the center is level with the axis. What is its
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