Question

Tolong dibantu kakakk kakakk

Answer 1

V1x = v1 (sin 30) = 30 (1/2) = 15 N
v2x = v2 (sin 30) = 30 (1/2) = 15 N
v3x = v3 = 40 N
Rx = -v1x + v2x + v3x = -15 + 15 + 40 = 40 N
(v1x negatif karena ke kiri)

v1y = v2 (cos 30) = 30((1/2)√3) = 15√3 N
v2y = v2 (cos 30) = 30 ((1/2)√3) = 15√3 N
v3y = 0 N
Ry = v1y + v2y + v3y = 15√3 + 15√3 + 0
Ry = 30√3 N

R = √(Rx^2 + Ry^2) = √(40^2 + (30√3)^2)
R = √(1600 + 2700) = √(4300) = 10√43 N

sorry kalo ada hitungan yang salah yaa