Problem 2. A Point A of the rod slides down the inclined plane while point B is forced to slide horizontally. The rod has length 2 m and a mass of 1 kg. If the rod is released from rest in 300 G the position shown, find the angular velocity of the rod when it has fallen to a horizontal orientation. Just before the rod hits the ground, find the normal forces at ends A 60° 300 and B. Ans: a = 5.2717 rad/s² ccw, Na = 2.7811 N, NB = 3.1478 N

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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.