⚙️ap physics c: mechanics review

Small-angle approximation

Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2027 exam
Verified for the 2027 examWritten by the Fiveable Content Team • Last updated August 2025

Definition

The approximation that sin θ ≈ θ (in radians) for small angular displacements, which simplifies the restoring torque equation and allows derivation of the SHM differential equation for pendulums.

AP course connection

Topic 7.5: 7.5 Simple and Physical Pendulums

Unit 7

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