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← ScienceWhich outcome occurs when hydraulic fluid viscosity increases excessively in a robotic arm joint?
A)Reduced actuator response time✓
B)Increased servo motor efficiency
C)Decreased controller computational load
D)Lower joint heat generation
💡 Explanation
Increased fluid viscosity in the robotic arm causes higher resistance to flow, limiting the hydraulic actuator speed. This damping effect increases the system's time constant because more force is needed; therefore, actuators respond slowly rather than quickly, resulting in control lag.
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