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Simple harmonic oscillator
URI:
https://gptkb.org/entity/Simple_harmonic_oscillator
GPTKB entity
Statements (51)
Predicate
Object
gptkbp:instanceOf
Physical system
gptkbp:displacement
x
gptkbp:example
Mass-spring system
Simple pendulum (small angles)
gptkbp:frequency
f = 1/T
gptkbp:hasAcceleration
a = -Aω^2 cos(ωt + φ)
gptkbp:hasAmplitude
A
gptkbp:hasAngularFrequency
ω = sqrt(k/m)
gptkbp:hasDamping
No (ideal case)
gptkbp:hasEnergyConservation
True (ideal case)
gptkbp:hasEquationOfMotion
d2x/dt2 + ω^2 x = 0
gptkbp:hasGraph
Sinusoidal
gptkbp:hasMaximumAcceleration
a = ±Aω^2
gptkbp:hasMaximumDisplacement
x = ±A
gptkbp:hasMaximumForce
F = ±kA
gptkbp:hasMaximumKineticEnergy
K = (1/2)kA^2 at x = 0
gptkbp:hasMaximumNetForceAt
x = ±A
gptkbp:hasMaximumPotentialEnergy
U = (1/2)kA^2 at x = ±A
gptkbp:hasMaximumVelocity
v = ±Aω
gptkbp:hasMinimumKineticEnergy
K = 0 at x = ±A
gptkbp:hasMinimumPotentialEnergy
U = 0 at x = 0
gptkbp:hasNoNetForceAt
x = 0
gptkbp:hasPhaseConstant
φ
gptkbp:hasPhaseDifferenceBetweenDisplacementAndAcceleration
π
gptkbp:hasPhaseDifferenceBetweenDisplacementAndVelocity
π/2
gptkbp:hasPhaseDifferenceBetweenVelocityAndAcceleration
π/2
gptkbp:hasPotentialEnergy
U = (1/2) k x^2
gptkbp:hasQuantumVersion
Quantum harmonic oscillator
gptkbp:hasResonance
No (undriven case)
gptkbp:hasRestoringForce
F = -kx
gptkbp:hasRestoringForceDirection
Opposite to displacement
gptkbp:hasRestoringForceProportionalToDisplacement
True
gptkbp:hasRestPosition
x = 0
gptkbp:hasTotalEnergy
E = (1/2) k A^2
gptkbp:hasUnitsOfAcceleration
m/s^2
gptkbp:hasUnitsOfAmplitude
m
gptkbp:hasUnitsOfAngularFrequency
rad/s
gptkbp:hasUnitsOfDisplacement
m
gptkbp:hasUnitsOfEnergy
gptkb:Joule
gptkbp:hasUnitsOfForce
gptkb:Newton
gptkbp:hasUnitsOfFrequency
Hz
gptkbp:hasUnitsOfMass
kg
gptkbp:hasUnitsOfSpringConstant
N/m
gptkbp:hasUnitsOfVelocity
m/s
gptkbp:hasVelocity
v = -Aω sin(ωt + φ)
https://www.w3.org/2000/01/rdf-schema#label
Simple harmonic oscillator
gptkbp:period
T = 2π/ω
gptkbp:solvedBy
x(t) = A cos(ωt + φ)
gptkbp:studiedIn
gptkb:Physics
gptkbp:bfsParent
gptkb:Sine_function
gptkbp:bfsLayer
8