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21 Cards in this Set

  • Front
  • Back
Motions that repeat in a regular cycle
Periodic motion
the motion that results from the directly proportional forces two and from the equilibrium position
simple harmonic motion
Time to complete one cycle of motion
The maximum distance that the object moves from the equilibrium
the force exerted by a spring is directly proportional to the amount that the spring is stretched
Hooke's law
a contraption with a bob held by a string
When small forces are applied at regular intervals to a vibrating or oscillating object and the amplitude of the vibration increases
a single bump or disturbance that travels through a medium
wave pulse
generated when the wave moves up and down at the same rate
periodic wave
A wave that vibrates perpendicular to the direction of the wave's motion
transverse wave
A wave that releases pulses of closely-spaced turns in different directions
Longitudinal wave
A wave with particles that move in a direction that is both parallel and perpendicular to the direction of wave motion
Surface wave
A disturbance that carries energy through matter or space
States that the displacement of a medium caused by two or more waves is the algebraic sum of the displacements of the individual waves
Principle of Superposition
Results from the superposition of two or more waves; can be constructive (wave displacements in the same direction) and destructive (waves with equal but opposite amplitudes)
The stationary point where two equal wave pulses meet and are in the same location, having a displacement of zero
The point with the largest displacement when two wave pulses meet
A Wave that appears to be standing still, produced by the interference of two traveling waves moving in opposite directions
Standing Wave
An erect or inverted returning wave that results from some of the energy of the incident's pulse being reflected backward
Reflected Wave
The change in direction of waves at the boundary between two different media
The bending of light around the barrier