Question

Nilai resultan ketiga gaya sebesar..N
(√2=1,4;√3=1,7)

Answer 1

Fy1 = 80 sin 45 = 56
Fy2= 120 sin 150 = 60
Fy3 = 100 sin 330 = -50
∑Fy= 66

Fx1 = 80 cos 45 = 56
Fx2= 120 cos 150 = -102
Fx3 = 100 cos 330 = 85
∑Fx= 73

R =√ ∑Fx² + ∑Fy²
  = 98,41.....≈98