Question

Tolong dibantu no 10-13 dengan benar

Answer 1

11.
diket :
Lb= 1 m
m = 60 kg
Lk = 3 m

F =?

W x Lb = F x Lk
(mxg) x Lb = F x Lk
(60x10) x 1 = F x 3
600/3 = F
F  = 200 N

12
diket:
w = 1500 N
Lb = 2m
Lk = 3m

F = ?

w x Lb = F Lk
1500 x 2 = F x 3
3000 = 3F
F = 1000 N