Page 19 - Flipbook Mekanika Statis Tentu

ΣV= 0

RVA – Py – Q + RVB = 0
RVA + RVB = Py + Q Kontrol:
RVA = P sin 60° + q . l – 7,8 ΣV= 0

RVA = (2 . 0,87) + (2 . 5) – 7,8 RVA – Py – Q + RVB = 0

RVA = 1,74 + 10 – 7,8 3,94 – 1,74 – 10 + 7,8 = 0 (OK)
RVA = 3,94 t ( )

ΣH = 0

RHA + Px = 0

RHA = -Px
RHA = -2 . cos 60°
RHA = -2 . 0.5

RHA = -1 t ( )

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