The forse that acts into the first leg (120"^0" with the horizontal).
"F_1=Pcos 120^0=-49*0.5=-24.5" N
into the second leg (60"^0" with the horizontal):
"F_2=Pcos60^0=49*0.5=24.5" N
So. these forces are equal, but act into the opposite sides. The reason of it is the angle.
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