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| the rate of change of speed or velocity |
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| a set f numbers used to locate a point along a line or in a space |
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| an influence that can deform an object or cause it to change its motion |
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| the force exerted by the Earth on all objects on or near it |
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| a measure of resistance to change in motion, equal to force divided by acceleration |
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| the rate of doing work, equal to work or energy divided by time |
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| the net force on an object times the distance through which the object moves |
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| maximum displacement from rest |
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| loss of energy of a vibrator, usually through friction |
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| time variation of the amplitude of a vibration |
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| the number of vibrations expressed in hertz |
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| modes of vibration whose frequencies are whole-number multiplies of the frequency of the fundamental mode |
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| a vibrator consisting of a volume of enclosed air with an open neck or port |
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Definition
| vibration in which the principla motion is in the direction of the longest dimension |
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| a point or line where minimal motion takes place |
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| smooth, regular vibrational motion at a single frequency such as that of a mass supported by a string |
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| a recipe that gives the frequency and amplitude of each component of a complex sound |
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| the strength of a spring restoring force divided by displacement (K) |
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| vibration in which the principal motion is at right angles to the longest dimension |
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| echo free, an anechoic room is one whose walls ceiling and floor are covered with sound absorbing material usually in the shape of wedges |
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Definition
| the spreading out of waves when they encounter a barrier or pass through a narrow opening |
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| the shift in apparent frequency when the source or observer is in motion |
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| a brief disturbance or pressure change that travels as a wave |
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| the interaction of two or more identical waves which may support or cancel each other |
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| a wave in which the vibrations are in the direction of propagation of the wave |
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| an abrupt change in the direction of wave propagation at a change of medium |
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| a bending of waves when the speed of propagation changes either abruptly or gradually |
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| a wavelike pattern that results from the interference of two or more waves and has regions of minimum and maximum amplitude called nodes and antinodes |
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| the motion at one point in a medium is the sum of the individual motions that would occur if each wave were present by itself without the others |
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| an elastic modulus of a solid, the ration of force per unit area to the stretch it produces |
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| a measure of the difficulty of generating flow it is the ratio of the sound pressure to the volume velocity due to a sound wave |
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| the force that results from the interaction of an alternating electric current with a magnetic field |
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| the width change of frequency of a resonance curve, usually measured at 71% the max height, a measure of the sharpness of a resonacne |
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| a component of a sound with a frequency greater than the fundamental frequency |
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| a component of a sound, includes the fundamental plus the overtones |
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| one vibrator causing another to vibrate at he same frequency |
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