: Define angular displacement, angular speed, and angular acceleration. How
are linear velocity and linear accelersation related angular speed and angular acceleration
respectively
Answers
angular displacement
Angular displacement of a body is the angle in radians (degrees, revolutions) through which a point revolves around a centre or line has been rotated in a specified sense about a specified axis.
angular speed
In physics, angular velocity refers to how fast an object rotates or revolves relative to another point, i.e. how fast the angular position or orientation of an object changes with time. There are two types of angular velocity: orbital angular velocity and spin angular velocity.
angular acceleration
In angular velocity. The angular acceleration is the time rate of change of the angular velocity and is usually designated by α and expressed in radians per second per second. For the case in which the angular velocity is uniform (nonvarying), θ = ωt and α = 0.
The linear speed is proportional to the angular speed and the radius. The average angular acceleration is the change in angular velocity divided by time. The tangential acceleration is proportional to the angular acceleration and the radius.
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