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Find the support reactions for the beam loaded and supported as shown in the figure.
written 8.7 years ago by gravatar for teamques10 teamques10 ★ 69k •   modified 4.9 years ago

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engineering mechanics
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written 8.7 years ago by gravatar for teamques10 teamques10 ★ 69k

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F.B.D :-

enter image description here

Applying COE,

∴ΣFy(↑+ve)=0∴−80+VB−100−60+RFcos30=0∴VB+RFcos30=240…………(I)∴ΣMA≅0(+ve)∴−80×2+VB×3−100sin45×5−50−60×7+RFcos30×9=0∴3VB+RFcos30×9=983.553…………….(II)

Solving (I) and (II) simultaneously,

$∴ V_B=196.07 …

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