Question: 4 . 1 8 A light rod, supported by rollers at B , C , and D , is subjected to an 8 0 0

4.18 A light rod, supported by rollers at B,C, and D, is subjected to an
800-N force applied at A. If =0, determine (a) the reactions at
B,C, and D,(b) the rollers that can be safely removed for this
loading.
Fig. P4.18
4 . 1 8 A light rod, supported by rollers at B ,

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