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Simple beam, reaction force by bending moment

작성자 Uploader : tikitaka 작성일 Upload Date: 2023-07-14변경일 Update Date: 2023-07-14조회수 View : 224

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As shown in the figure, if the moment M (kN·m) is acting clockwise (+) on a simple beam of length L (m), the reaction forces at points A and B can be calculated as follows.

■ reaction force RA, MB = 0

M+RA*L = 0 → RA = -M/L

■ reaction force RB, MA = 0

M+RB*L = 0 → RB = M/L

Since the sum of the vertical force is 0, the relation RA = -RB holds. 		No Image
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■ Reaction forces




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