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the motion of a body about an internal axis

Rotary Motion

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the time rate of angular displacement

Angular Velocity

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the constant rate of change of angular velocity

Angular acceleratoin

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a mathematical expression of the distribution of the mass of a rotating object

Rotational inertia

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the horizontal rotation of the shaft

Precession

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the property of a body moving repeatedly over the same path in equal intervals of time

Periodic motion

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linear motion in which the acceleration is proportional to the displacement from an equilibrium position and is directed toward that position

Simple harmonic motion

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the distance from the midpoint of its vibration at that particular instant

displacement in harmonic motion

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the maximum displacement

amplitude of harmonic motion

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the number of vibrations per second

period of harmonic motion

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the midpoint of its path

equilibrium position of harmonic motion

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an object suspended so that it can swing back and forth about an axis

Pendulum

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an angle that when placed with its vertex at the center of a circle, subtends on the circumference an ark equal in length to the radius of the circle

Radian

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the angle about the axis of rotation through which the object turns

Angular Displacement

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