Oblicz pracę wykonaną przy wnoszeniu paczki o masie 10kg na wysokosc 18 m
Dane:
m=10kg
h=s=18m
g=10m/s²
W=F * s
------------------------
liczymy F
Fg=m * g
Fg=10kg * 10m/s²
Fg=100N
----------------------
liczymy pracę
W=100N * 18m
W=1800J
Odp.: Praca wynosi 1800J = 1,8 kJ
m = 10kg
h = 18m
W = Wp = mgh
W = 10kg x 18m x 10N/kg = 1800J = 1,8kJ
----------------------------------------------------------------------------------------------------------
Feci, quod potui, faciant meliora potentes
Pozdrawiam :)
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Dane:
m=10kg
h=s=18m
g=10m/s²
W=F * s
------------------------
liczymy F
Fg=m * g
Fg=10kg * 10m/s²
Fg=100N
----------------------
liczymy pracę
W=F * s
W=100N * 18m
W=1800J
Odp.: Praca wynosi 1800J = 1,8 kJ
m = 10kg
h = 18m
W = Wp = mgh
W = 10kg x 18m x 10N/kg = 1800J = 1,8kJ
----------------------------------------------------------------------------------------------------------
Feci, quod potui, faciant meliora potentes
Pozdrawiam :)