At iMechanica, almost none talks about topics from structural dynamics and design, theory of machines, automotive mechanics, space mechanics, etc.

Let me help correct this situation by raising two questions below. Well-thought answers from any individual are welcome.

First, some background for the questions.

Most Indian cities were not deliberately designed in modern times but have evolved over centuries. Therefore, the in-city roads are, typically, very narrow, with very sharp turns in the bylanes. Parking space is almost a dream. (BTW, many European cities too carry narrow roads, I have heard, though not as much of traffic congestion.)