JESUS DANGELO

26.556.901

D.C.L A

(Escaneado) MS:0.20

0= tan-1.MS= 11.31+10= 21.31

R1x= RI*cos11.31=0.98RI R2x=R2*sen21.31=0.36R2

RIy=RI+sen11.31=0.20RI R2y=R2*cos21.31=0.98R2

D.C.L B

(Escaneado)

E(sumatoria) FX=0

FB-R2*sen21.31-R3*sen11.31=0

FB-0.20R3=233.5N-sen21.31

FB=0.20R3=84.85N

E(sumatoria) FY=0

-R2+cos21.31+R3*cos11.31=0

R3=R2*cos21.31/cos 11.31

R3=33.5N*cos21.31/cos11.31= 221.8N

FB=84.85N+0.20(221.8N)= 129.22N es la fuerza requerida para porder mover el bloque.