Question

A bus begins to make a loud rattling sound at a certain speed on the road. Explain why?

Answer 1

A bus begins to make a loud rattling sound at a certain speed on the road because ......

1. Engine produce some sound due to exhaust.
2. When bus moves air friction (air rubs bus body) produce some noise by converting kinetic energy in sound energy.
3. Some times due to looseness in nut bolts of bus body when bus moves on friction full road.