tolong jawab pakai satuan

w =12000N
lk=6m
lb=2m

F=
[tex]f = \frac{lk}{lb} \\ f = \frac{6}{2} \times 12000 \\ f = 36000(a)[/tex]
b. keuntungan
[tex]km = \frac{lk}{lb} \\ km = \frac{6}{2} = 3[/tex]