Discussion
A drive accelerates when the motor torque
Answer: A
Correct answer: exceeds the load torque
From \( J\,d\omega/dt = T - T_l \), a positive difference gives a positive acceleration. The magnitude of that acceleration depends on the inertia, but the fact of acceleration depends only on the sign of the difference. A deficit decelerates the drive, and equality holds it at whatever speed it has reached.
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