11. There are four forces acting on a pole, one points north, one points south, one points east, and the last one points west. Suppose that the initial magnitudes of these forces are all equal, at which direction you should increase the force magnitude so that the equilibrant force will point at NW? Increase the forces pointing the north and west. Increase the forces pointing the south and east. Increase the forces pointing the north and east. Increase the forces pointing the south and west.

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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.