Torque and angular acceleration (AQA A-Level Physics): Flashcards

$T = I\alpha$

Resistance to angular acceleration

$I = mr^2$

$\text{kg} \cdot \text{m}^2$

Nm (newton metres)

$\text{rad} \cdot \text{s}^{-2}$

$\alpha = \frac{T}{I}$

Directly

Inversely

Four times harder to rotate