How to calculate RL of BM?
GeneralClass 12AllAnswered 27 Mar 2026
Answer
RL likely refers to Reaction at Left support in beam analysis:
- Sum all vertical forces: ΣF_y = 0
- Take moments about right support: ΣM_R = 0
- Solve for R_L (left reaction)
- Verify: Check with moment about left support
Example: Simply supported beam with central load W: R_L = R_R = W/2
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