[tex]\mathcal{V}=1~cm^3 \\ \\ \rho_{aluminiu}=2,7~g/cm^3 \\ \\ m=\mathcal{V}\cdot\rho=2,7~g=0,0027~kg[/tex]
a) La ecuator, g = 9,78 N/kg
[tex]G=m\cdot g=0,0027\cdot9,78=0,026406~N[/tex]
La poli, g = 9,82~N/kg
[tex]G=0,0027\cdot9,82=0,026514~N[/tex]
b) Pe luna, g = 1,62 N/kg
[tex]G=0,0027\cdot1,62=0,004374~N[/tex]
