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Rotational Kinematic

Angular Momentum

TermDefinition
Radians The radian is the standard unit of angular measure. An angle's measurement in radians is numerically equal to the length of a corresponding arc of a unit circle; one radian is just under 57.3 degrees (when the arc length is equal to the radius).
Angular Displacement Angular displacement of a body is the angle in radians (degrees, revolutions) through which a point or line has been rotated in a specified sense about a specified axis.
Angular Velocity the rate of change of angular displacement and is a vector quantity which specifies the angular speed (rotational speed) of an object and the axis about which the object is rotating. Angular velocity is usually represented by the symbol omega (ω)
Angular Acceleration is the rate of change of angular velocity. In SI units, it is measured in radians per second squared (rad/s2), and is usually denoted by the Greek letter alpha (α).
Linear Velocity is the rate of change in position within given time. It is defined as displacement with respect to travelling time
Tangential Acceleration The tangential acceleration is, indeed, tangent to the path of the particle's motion
Centripetal Acceleration This acceleration is a radial acceleration since it is always directed toward the centre of the circle
Radial Acceleration aka Centripetal Acceleration
Frequency Frequency is the number of occurrences of a repeating event per unit time
Period is the time taken for a given object to make one complete orbit around another object.
Torque is the tendency of a force to rotate an object about an axis, fulcrum, or pivot. Just as a force is a push or a pull, a torque can be thought of as a twist to an object.
Moment of Inertia The moment of inertia, otherwise known as the angular mass or rotational inertia, of a rigid body determines the torque needed for a desired angular acceleration about a rotational axis.
Created by: Rsheffield