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← Logic & PuzzlesA robotic arm rotates to assemble a component. Which outcome consistently maintains the component's intended functionality, irrespective of rotational orientation?
A)Maximum stress exceeds yield strength
B)Thermal expansion changes dimensions slightly
C)Surface texture affects light reflection
D)Rotational symmetry preserves functional properties✓
💡 Explanation
Rotational symmetry ensures that rotating an object does not change its appearance or function, because the object possesses inherent symmetry around an axis. Therefore, functional properties are maintained, rather than altered by stress, thermal effects, or surface features which are orientation-dependent.
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