A frictionless pulley, which can be modeled as a 0.83 kg solid cylinder with a 0.33 m radius, has a rope going over it, as shown in (Figure 1). The tensions in the rope are 12 N and 10 N. What is the angular acceleration of the pulley? Express your answer in radians per second squared to two significant figures.
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 frictionless pulley, which can be modeled as a 0.83 kg solid cylinder with a 0.33 m radius, has a rope going over it, as shown in (Figure 1). The tensions in the rope are 12 N and 10 N. What is the
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