Why people experience more jerk or shock sitting in the back seats of a bus?

Question

Those sitting in front and mid part doesn't experience much shock, while those those sitting in back does. Why?

Answer 1

Two reasons:

1. The suspension in the rear of the bus is firmer because it has to carry more load
2. The area behind the wheels of a bus acts as a third-class lever, amplifying the movement due to roadway bumps.