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14 terms

Two-Dimmensional and Periodic Motion

Physics
STUDY
PLAY
the motion of a body about an internal axis
Rotary Motion
the time rate of angular displacement
Angular Velocity
the constant rate of change of angular velocity
Angular acceleratoin
a mathematical expression of the distribution of the mass of a rotating object
Rotational inertia
the horizontal rotation of the shaft
Precession
the property of a body moving repeatedly over the same path in equal intervals of time
Periodic motion
linear motion in which the acceleration is proportional to the displacement from an equilibrium position and is directed toward that position
Simple harmonic motion
the distance from the midpoint of its vibration at that particular instant
displacement in harmonic motion
the maximum displacement
amplitude of harmonic motion
the number of vibrations per second
period of harmonic motion
the midpoint of its path
equilibrium position of harmonic motion
an object suspended so that it can swing back and forth about an axis
Pendulum
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
the angle about the axis of rotation through which the object turns
Angular Displacement