Sa se determine lucrul mecanic efectuat de o minge de masa m=500 g in cadere de la inaltimea h=15 m.... Idea question from @andreibaleanu04

andreibaleanu04 @andreibaleanu04

June 2022 1 18 Report

Sa se determine lucrul mecanic efectuat de o minge de masa m=500 g in cadere de la inaltimea h=15 m

Răspuns:

L= 75J

Explicație:

G = m·g

m= 500g = 0,5 kg

L= F·d

in acest caz F= G

iar d = h = 15m

inlocuim si rezulta L= mgh = 0,5·10·15=75 J

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