Since the beam is simply supported, the reactions at the supports can be calculated as follows:
Reaction at left support (A): \(R_A = \frac{15 \mathrm{kN} \cdot 2 \mathrm{m}}{3 \mathrm{m}} = 10 \mathrm{kN}\)
Reaction at right support (B): \(R_B = \frac{15
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