Question
What is a mess pendulum? Discuss its motion for small angular displacement. Deduce the formula for period. On which quantities does the periodic period depend?
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| Graph | | Characteristic |
| a. | i. | has v > 0 and a < 0 throughout. |
| b. | ii. | has x > 0 throughout and has a point with v = 0 and a point with a = 0. |
| c. | iii. | has a point with zero displacement for t > 0. |
| d. | iv. | has v < 0 and a > 0. |


