Question

hi mate wt is stress? wt r the different kinds of stress

Answer 1

Stress is a feeling that people have when they are struggling to cope with challenges related to finances, work, relationships, environment, and other situations. Moreover, stress is felt when an individual perceives a real or imagined challenge or threat to a their well-being. People often use the word stress interchangeably with anxiety, feeling anxious, fearful, nervous, overwhelmed, panic, or stressed-out.

Stress is the body’s natural defense against real or imagined danger. It flushes the body with hormones to prepare systems to evade or confront danger. This is known as the “fight-or-flight or freeze” response.

The body is an intelligent operating system, but the body can not determine the difference between life threatening external threat from imagined or perceived non-life threatening stressors.  The body reacts the same either way.  The body produces significantly greater quantities of the chemicals cortisol, adrenaline, and noradrenaline. The Neurobiology of stress is a complex operating mechanism.

Answer 2

Stress

Stress ; It is the restoring force per unit area of the deformed body.

Stress = Force / Area.


The three different types of stress are.

◾ Longitudinal stress or Tensile stress.

It is the restoring force per unit area of cross section of a body when the deforming forces act along the length of the body.

Volume stress or Normal stress

It is the restoring force per unit area of a body when deforming forces act perpendicular to the surface of the body.

Tangential stress or Shearing stress.

It is the restoring force per unit area of a body when the deforming force act tangential to the surface of the body.

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