![Physics](/tpl/images/cats/fizika.png)
(b) write an expression for the net external torque acting on the system of the two blocks + wheel + string about the wheel's axle. what are its rotation sense and vector direction? [note: the string is part of the system, so the string tension forces provide internal torques, not external torques.]
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(b) write an expression for the net external torque acting on the system of the two blocks + wheel +...
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