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← Logic & PuzzlesIf a gear system utilizes a rotational symmetry of order 6, which consequence follows regarding its operational invariance?
A)Torque varies with shaft angle
B)Efficiency depends on rotation rate
C)Gear meshing degrades as rotates
D)Performance remains after 60° rotation✓
💡 Explanation
The gear system's operational invariance under rotational symmetry means its performance is identical after certain rotations, because rotational symmetry dictates invariance; therefore, performance is maintained after a 60-degree rotation (360/6), rather than depending on torque, efficiency, or meshing degradation.
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