To assist you with this problem, I'll analyze the diagram and given information. It appears to be a mechanical system involving a four-bar linkage (or a similar mechanism), with angular velocity $\omega = 3 \, \text{rad/s}$, link lengths $L_{AB} = L_{AC} = L_{CD}$, and given material or system properties $\mu = 0.002 \, \mu\text{m}/\mu\text{m}$.

Here’s the plan to approach the problem:

1. Analyze the Geometry:
   Use the given lengths and linkage configuration to establish the relationship between the components.

2. Determine Angular Velocities and Velocities:
   Since $\omega = 3 \, \text{rad/s}$ is given for the driving link, find the angular velocities of other links (if needed) using kinematic relationships.

3. Write Equations of Motion or Compatibility:
   Apply kinematic equations or geometric constraints that connect the different points (e.g., velocity relationships at joints A, B, C, and D).

4. Calculate Forces:
   If required, solve for forces or moments using equilibrium equations and consider the given $\mu$ to evaluate stress, strain, or deformation.

5. Summarize Results:
   Present the calculated values (e.g., velocities, forces, moments) in a clear format.

Please clarify if the task requires solving for specific parameters like velocities, angular accelerations, or forces—or if you'd like detailed geometric analysis.