Translation vs Rotation. Quite weird really. Translation is moving across a background. Rotation is moving around a fixed point at its own center. Translation becomes “energy”. Rotation becomes “torque”.

Translation vs Rotation. Quite weird really.

Translation is moving across a background.
Rotation is moving around a fixed point at its own center.

Translation becomes “energy”.
Rotation becomes “torque”.

Rotation gets weird in higher dimensions.

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Kinematics can study them at once but you need a coordinate system

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