22. Define static equilibrium. 23. What are the three conditions that must be met for an object to be in static equilibrium? 24. Answer Stop to Think 8.2. Explain your answer. 25. Define angular momentum (L), include its equation and units. 26. Describe the relationship between torque and angular momentum, include a mathematical equation. 27. How does this relationship parallel the impulse and momentum theorem? 28. When is angular momentum conserved? 29. Why does a skater spin faster when she brings her arms close to her body? 30. What is the equation for rotational kinetic energy? 31. When an object is translating and rotating, how do you calculate the total kinetic energy of the object