Psychologically, tension means excited expectation or apprehension of a proposed event which is either particularly desired or feared.Physically, tension describes a force within a resilient body.
Mechanical tension (symbol s) is the force per surface unit which acts in an imaginary section plane through a body, a fluid or a gas.
Tension is also the most important instrument of playwrights and authors for motivating the viewer and reader to watch and read further.
