: Updated versions include additional data on the mass properties of solids, alternative equations for fatigue design, and the natural frequency of helical compression springs.
Every action has a reaction, if not in this life, then in the next. This belief fosters:
| Festival | Season | Lifestyle Impact | | :--- | :--- | :--- | | | Oct-Nov | Entire nation cleans homes, buys gold, bursts firecrackers. Offices closed for 5 days. | | Holi | March | Social hierarchies dissolve. People throw colored powder on strangers. | | Durga Puja / Navratri | Sept-Oct | 10 nights of dance (Garba/Dandiya) until midnight. Pandal-hopping is a sport. | | Eid-ul-Fitr | Variable | Muslims offer community prayers; sewaiyan (sweet vermicelli) is distributed. | | Pongal / Onam | Jan/Aug | Harvest festivals with cattle decorations and boat races. |