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Which consequence results when velocity limits create a singularity approaching a pick-and-place coordinate in a robotic arm?

A)Joint space velocity jumps abruptly.
B)End-effector force remains constant.
C)Torque requirements are minimized then.
D)Cartesian trajectory tracking becomes smooth.

💡 Explanation

Joint space velocity jumps when approaching a singularity because the inverse kinematic Jacobian matrix becomes ill-conditioned, therefore causing infinite joint velocities rather than enabling smooth motion as the arm strains to maintain the Cartesian path.

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