I'm have such a hard time with tension

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SUMMARY

Tension is a physical concept defined as the force transmitted through a string or similar medium, remaining constant throughout its length. It is not merely the net force but involves the interaction between multiple physical objects and intermediaries that facilitate force transfer. The discussion emphasizes that tension is a multi-faceted phenomenon, illustrated by examples such as the internal tension in a compressed spring, which depends on the design of the system. Understanding tension requires a comprehensive grasp of its role in force transfer within physical systems.

PREREQUISITES
  • Basic understanding of physics principles, particularly mechanics.
  • Familiarity with concepts of force and equilibrium.
  • Knowledge of physical systems involving strings and pulleys.
  • Understanding of spring mechanics and internal forces.
NEXT STEPS
  • Study the principles of static and dynamic equilibrium in physics.
  • Learn about the mechanics of pulleys and their effect on force direction.
  • Explore the characteristics of springs, including Hooke's Law.
  • Investigate the role of tension in various physical systems and applications.
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Students of physics, educators teaching mechanics, and anyone interested in understanding the principles of force transfer in physical systems.

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I'm have such a hard time with "tension"

I know a few things about tension, but it never really came through to me.

i know that "tension is the same in every part of one string, and pulleys just change the direction of the force."

At first i thought tension was just the net force, but i guess not! Can someone please explain tension super-thoroughly? Thanks!
 
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My definition: Tension is a physical concept between two or more physical objects(or object aspects) utilizing one or more physical intermediaries to transfer application of force.
Even the internal tension of a compressed spring, for example, is characterized by the relationship between spring "segments" So, tension is never unitary.
In short, tension sets-up a transfer of force in a physical system. To what degree the force is actually transferred is dependent on system design.
 

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