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1

T

period: seconds per one cycle (s)

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2

f

frequency: cycles per one second (Hz or s⁻¹)

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3

A

amplitude: maximum displacement from equilibrium (m)

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4

equilibrium

net force is zero; velocity is maximum; acceleration is zero

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5

Restoring force

Points towards equilibrium

Proportional to distance from equilibrium

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6

l

length of pendulum (m)

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7

k

spring constant (N/m)

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8

Δx (springs)

compression/stretch of spring from equilibrium (m)

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9

g

gravitational field strength (m/s² or N/kg)

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10

ω

angular frequency = 2π / period

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11

|vmax| = |ωA|

The magnitude of the maximum speed in simple harmonic motion

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12

|amax| = |ω²A|

The magnitude of the maximum acceleration in simple harmonic motion

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