*(Insert calculation table – copy‑paste ready)*
## 1️⃣ The Real‑World Problem - Brief description of a common engineering snag (e.g., unexpected vibration in a CNC spindle).
## 4️⃣ Take‑aways - ✅ Verify energy balance before finalizing motor specs. - ✅ Use the inertia formulas from Chapter 6 for rotating components.