Tuliskan dimensi dari besar- besaran berikut ini A. Volume B. Massa jenis C. Daya D. Usaha E. Tekanan
Dimensi Volume :
V = sisi³ = m³ = [L]³
Dimensi Massa Jenis :
ρ = m/V = kg/m³ = kg.m^-3 = [M] [L]^-3
Dimensi Daya :
P = W/t = F.s/t = m.a.s/t = kg.m/s².m / s
P = kg . m² / s^-3 = kg.m².s^-3 = [M] [L]² [T]^-3
Dimensi Usaha :
W = F . s = m . a . s = kg . m/s² . m
W = kg . m²/s² = kg . m² . s^-2 = [M] [L]² [T]^-2
Tekanan :
P = F/A = m.a/A = kg.m/s² / m²
P = kg/m.s² = kg . m^-1 . s^-2 = [M] [L]^-1 [T]^-2