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← TechnologyWhich precision decrease arises when an industrial robotic arm utilizes Jacobian matrix singularity?
A)End-effector path becomes undefined
B)Motor torque capacity is exceeded
C)Reverse kinematics solve becomes singular
D)Position error becomes highly amplified✓
💡 Explanation
Position error becomes highly amplified because Jacobian matrix singularity causes large changes in joint angles for small Cartesian displacements via the **singularity amplification**. Therefore, positional accuracy is reduced, rather than the path immediately becoming undefined at a motor's torque capacity.
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