Question
Asked Oct 7, 2019
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Consider the beam shown in (Figure 1). Suppose that w = 880 N/m . Determine the y component of reaction at A using scalar notation. Determine the x and y components of reaction at B using scalar notation.

А
3 m
В
у
1m
3 m
-х
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А 3 m В у 1m 3 m -х

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Step 1

Apply moment equilibrium at B.

ΣΜ,-0
(NAX3m0
880 N/m x 5mx-
2
11000 3N0
NA 3666.67 N
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ΣΜ,-0 (NAX3m0 880 N/m x 5mx- 2 11000 3N0 NA 3666.67 N

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Step 2

Apply force equilibrium condition ...

ΣΗ-0
880 N/mx 5mx
В,
0
5
B, 2640 N
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ΣΗ-0 880 N/mx 5mx В, 0 5 B, 2640 N

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