🔄
Torsional Pendulum
AP Physics 1 · Unit 7 Oscillation
Learning Objectives
τ = −κθ (restoring torque, Hooke's law analog)
T = 2π√(I/κ) analogous to T = 2π√(m/k)
Angular SHM: θ(t) = θ₀ cos(ωt)
Used in mechanical watches and seismometers
Tags
torsional
pendulum
SHM
moment of inertia
AP Physics 1
κ (N·m/rad)
0.5
I (kg·m²)
0.1
θ₀ (°)
45
Damping b
0
Parameters
Period T
0
ω
0
θ current
0
Torque τ
0