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ΣMB = 0<br />
RAV. 6 - 10.6.3 = 0<br />
RAV = 30 KN<br />
ΣMA = 0<br />
- RBV. 6 + 10.6.3 = 0<br />
RBV = 30 KN<br />
ΣMS = 0 Dari bagian sebelah kiri S<br />
RAV.3 - RAH.3 -10.3.½.3 = 0<br />
30.3 - RAH.3 - 10. 3.½.3 = 0<br />
RAH = 15 KN ( ) kekanan<br />
ΣMS = 0 Dari bagian sebelah kanan S<br />
-RBV.3 + RBH.3 + 10.3.½.3 = 0<br />
-30.3 + RBH.3 + 10. 3.½.3 = 0<br />
RBH = 15 KN ( ) kekiri<br />
ΣV = 0<br />
RAV+ RBV – 10.6 = 0<br />
ΣH = 0<br />
RAH - RBH = 0