level: Level 1
Questions and Answers List
level questions: Level 1
| Question | Answer |
|---|---|
| Small angle approximations | = |
| linearise langrangian | keep second order |
| linearise equation of motion | keep first order |
| how to form M matrix | is |
| how to form K matrix | is |
| how to form M, K matrix from lagrangian | is |
| effective potential definition | is |
| relative angular velocity | omega(A) - omega(B) |
| what to remember when taking d'alembert of cuts | make sure you reduce the mass in line with how much has been cut also reduce Ig based on reduced mass and length make sure to use Ig, not I around any other point |
| frequency of oscillations - M and Veff | V''(q_0)/M = omega^2 where q_0 is equilibrium position |