This set covers Abeka Physics Chapter 10: "Circular and Periodic Motion" (pages 144-157).

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• ### periodic motion

term for any motion that occurs repeatedly after the same lapse of time

### uniform circular motion

type of motion that an object exhibits when it follows a circular path at constant speed

### centripetal acceleration

term for an orbiting (or rotating) object's acceleration toward the center of a circle due to a force causing a constant change in direction

### centripetal force

term for any force producing centripetal acceleration

### centrifugal force

term for any force that pushes or pulls an object away from the center of a circle

### equilibrium

point at which the restorative force on an object and its original force are in balance

### oscillatory motion

term for repetitive motion back and forth over the same path

### period

term for the time it takes for one full oscillation to occur

### amplitude

term for the absolute value of the maximum displacement in either direction during oscillation

### frequency

term for the number of oscillations that occur per unit time

### simple harmonic motion

term for periodic motion that follows the same path over the same time interval and is caused by a restorative force that is proportional to displacement

### simple pendulum

term for a freely swinging mass hanging from a thin, massless connector

### the square root of its length

The period of a pendulum depends on..

### the square root of the acceleration due to gravity

The period of a pendulum is inversely dependent on....

### its mass or amplitude

The period of a pendulum does not depend on..

### physical pendulum

term for any rigid body mounted so that it can swing in a plane about a point of support

### natural frequency

Every physical object has a _____ ______ of vibration.

### resonance

term for the point at which the driving frequency and the natural frequency are the same

Example: