Determine the value of Rb. a. 78.5 lb b.578 lb c. 785 lb d. 875 lb

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B3
Determine the value of Rb. a. 78.5 lb b.578
lb c. 785 lb d. 875 lb
400 Ib
14'
-2'
A
60°
450
Transcribed Image Text:Determine the value of Rb. a. 78.5 lb b.578 lb c. 785 lb d. 875 lb 400 Ib 14' -2' A 60° 450
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