brat kotak:1800N pjg bidang miring:1.5m tinggi:0.7

Diket :
w = 1.800 N
s = 1,5 m
h = 0,7 m
Dit :
F =..?
Jawab :
[tex]f =w \times h \div s \\ f = 1800 \times 0.7 \div 1.5 \\ f = 1260 \div 1.5 \\ f = 840 \: n[/tex]