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Scripetele
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Scripetele. Scripetele este un mecanism simplu alcatuit dintr -o roata cu un sant pe muche prin care este trecut un cablu inectensibil. Exista doua feluri de scripeti : - Fixi -are axul fix - Mobili -are axul liber. Scripetele Fix Concluzie :
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Scripetele
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Presentation Transcript
Scripetele Scripeteleeste un mecanismsimplualcatuitdintr-o roata cu un santpemucheprin care estetrecut un cabluinectensibil.
Existadouafeluri de scripeti: • -Fixi • -are axul fix • -Mobili • -are axulliber
Scripetele Fix • Concluzie: • -scripetele fix are la echilibrufortaactivaegala cu fortarezistentasiestefolositptr a schimbaconvenabildirectiasisensulfortei active
Scripetelemobil: • Concluzie: • - la scripetelemobilfortaactivaesteegala cu jumatate din valoareaforteirezistente
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