Why is the bus vibrating?
Why is the bus vibrating? The idling frequency of the diesel engine is close to the resonance frequency of the body, causing it to shake. Like a bell or a tuning fork a bus body has a certain frequency at which it will vibrate, and if the engine vibrates at a similar frequency, it will shake a lot.
Why do buses make me dizzy?
It is caused by an imbalance between your eyes, inner ears, and spine. This imbalance happens when there is a conflict between your senses, which sends your brain mixed signals. Most people get motion sickness during long commutes, although many experience the worst symptoms on planes and boats.