This is a continuation of the Physics Quiz posted
here yesterday:
The problem is changed as follows:
- The wheel is rotating about its axis at a constant rate omega_w
- The (constant) torque exerted on the wheel by the motor is tau_k
- The wheel+motor assembly is revolving CCW around the pivot at a constant rate omega_p
- The length of the connecting rod is L
- The weight of the wheel+motor assembly is W
- The coefficient of kinetic friction between wheel and floor is mu_k
What is the magnitude and direction of the floor's friction force on the wheel?
Pushing match, what pushing match? If they can't catch you they can't push you around. - IndySam [more] 
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