A steel bracket $A B C\left(E I=4.2 \times 10^{6} \mathrm{~N} \cdot \mathrm{m}^{2}\right)$ with span length L = 4.5 m and height H = 2mis subjected to load P = 15 kN at C.
The maximum rotation of joint B is approximately: (A) $ 0.1^{\circ} $
(B) $ 0.3^{\circ} $
(C) $ 0.6^{\circ} $
(D) $ 0.9^{\circ} $

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The Answer of A steel bracket $A B C\left(E I=4.2 \times 10^{6} \mathrm{~N} \cdot \mathrm{m}^{2}\right)$ with span length L = 4.5 m and height H = 2mis subjected to load P = 15 kN at C.
The maximum rotation of joint B is approximately: (A) $ 0.1^{\circ} $
(B) $ 0.3^{\circ} $
(C) $ 0.6^{\circ} $
(D) $ 0.9^{\circ} $

A Steel Bracket ABC(EI=4.2×106 N⋅m2)A B C\left(E I=4.2 \times 10^{6} \mathrm{~N} \cdot \mathrm{m}^{2}\right)ABC(EI=4.2×106 N⋅m2)

A Steel Bracket $A B C\left(E I=4.2 \times 10^{6} \mathrm{~N} \cdot \mathrm{m}^{2}\right)$