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Mechanics
Newton's Second Law (Rotation)
τ
=
I
α
\tau = I\alpha
τ
=
I
α
τ= Iα
Rotational analog of Newton's second law.
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Variables
τ
Net torque
Sum of torques
N·m
I
Moment of inertia
Rotational inertia
kg·m²
α
Angular acceleration
Rotational acceleration
rad/s²
Derivation
Rotational equivalent: τ = Iα (compare F = ma).
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