Question

AYO DONG BANTUIN PAKE CARA VEKTOR NIH

Answer 1

R1x=40
R2x=30 x cos 30 =15√3
R3x=-30x cos 30 = 15√3

jadi R arah sumbu x= 40+15√3+(-15√3) =40

R1y= 0
R2y= 30 x sin 30 =15
R3y= -30x sin 30= -15

jadi R arah sumbu y= 0+ 15+(-15)= 0

R=√Rx^2+Ry^2
R=√1600+0
R= 40