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= m.a. s
= m.v/t. s
= m. s/t².s
= m.s²/t²
= ML²T⁻²
vol = m³
= L³
Energi / vol = ML²T⁻² / L³
= ML⁻¹T⁻²
b. Gaya = F = m.a
= m. v/t
= m. s/t²
= MLT⁻²
Luas = L²
Gaya / luas = MLT⁻²/L²
= ML⁻¹T⁻²
c. momentum angular = σ = m.v.r
= m. s/t. r
= ML²T⁻¹
momentum / massa = ML²T⁻¹/ M
= L²T⁻¹
d. Tekanan = P = F/A
= ML⁻¹T⁻²
e. percepatan = a = v/t
= s/t²
= LT⁻²
percepatan x massa / luas = LT⁻². M / L²
= ML⁻¹T⁻²
dimensi yang berbeda dimensi c. momentum angular per satuan massa
14. F1 : (5, -2)
F2 : (10,13)
F3 : (-6, 15)
Fx = F1x + F2x + F3x
= 5+10-6
= 9
Fy = F1y+F2y+F3y
= -2+13+15
= 26
R = √Fx²+Fy²
= √9²+26²
= √81+676
= √757
≈ 27,5 N