Physics, 16.01.2021 16:00 gervasio229
Un corp de masă m=3kg este deplasat cu viteză constantă pe un plan orizontal cu o forţă de 12 N, care formează cu orizontala un unghi de 30 0 . a. Să se reprezinte toate forțele ce acționează asupra corpului b. Să se aplice principiul acțiunii și reacțiunii c. Să se calculeze coeficientul de frecare dintre corp şi suprafaţa pe care se deplasează , ştiind că valoarea forţei de frecare este de 10N. (Se dă g=10 N/kg ) va rog
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Un corp de masă m=3kg este deplasat cu viteză constantă pe un plan orizontal cu o forţă de 12 N, car...
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