Single Pendulum
Small-angle SHM: θ(t) = θ₀ cos(ωt)
ω = √(g/l), T = 2π√(l/g)
Tangential force: F
t
= −mg sinθ
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θ = --
T = --
l = --
g = --
v = --
aₜ = --
Fₜ = --
Tension = --
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