Energia mechaniczna




Energia mechaniczna — suma energii kinetycznej i potencjalnej.
Jest postacią energii związaną z ruchem i położeniem obiektu fizycznego (układ punktów materialnych, ośrodka ciągłego itp.) względem pewnego układu odniesienia.


Rodzaje energii mechanicznej:




  • energia kinetyczna — dotyczy ciał będących w ruchu

    • ruchu postępowego

    • ruchu obrotowego




  • energia potencjalna — związana z oddziaływaniem, np.


    • grawitacyjna (ciała w polu grawitacyjnym)


    • sprężystości (ciała odkształcone sprężyście)





Zobacz też |


  • Siła zachowawcza


Bibliografia |


  • W. Królikowski, W. Rubinowicz, Mechanika teoretyczna, PWN, Warszawa 2012 r.



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