At a certain speed of a bus, the body of the bus starts vibrating strongly.  Why?

Asked by Topperlearning User | 4th Jun, 2014, 01:23: PM

Expert Answer:

At certain speed of bus, the frequency of the bus engine becomes equal to the natural frequency of its frame and hence resonant vibration of frame takes place, therefore bus begins to vibrate strongly.

Answered by  | 4th Jun, 2014, 03:23: PM