A person jumps in response to a loud noise due to the body's instinctive fight-or-flight reaction, which is governed by the autonomic nervous system. This response is triggered by the sudden surprise or perception of potential danger, causing the release of adrenaline and an increase in heart rate. The jump is a reflexive action aimed at preparing the body to either confront or escape from a perceived threat. This reaction is deeply rooted in evolutionary survival mechanisms.
The startle reflex.
it just does...A loud noise makes you jumpbecausethere is a part of your ear that helps you to balance and when disrupted you jump
It is the alternator....
The fuel in the cylinders exploding
When lighting strikes it causes a cavity or vacuum in the air the loud noise is caused by the vacuum collapsing. as an example popping a plastic bag cause the same effect.
The loud freewheel noise in a bicycle is typically caused by worn out or dirty freewheel components. This noise can be fixed by cleaning and lubricating the freewheel, or replacing it if necessary.
A little kid in the trunk with a hammer
Wheel bearing
How is that related to gorrilas? A carp and a gorrilla are NOTHING alike
Noise is a movement of the air. An explosion is a rapid expansion of gasses, which causes movement of the air.
Agressive tread, bad alignment
loose belts