Question

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Q5- In picking up a load from position B, a cable tension T of magnitude 50 KN is developed. Calculate the moment which T produces about the base o of the construction crane. E 20m ту 40m В. 7m 9m Good Luck Pape 7 of 7

Answer 1

mi Erom the given Figure, location of the points: 0,20,40) A B (9, 13,0) CO 0, 0) =) position rector B A AB AB (92 + 139 +0% ) – CO Î + 209 Co î + 209 + 40k? AB q êt (-79) – 40 Magnitude of the AB is LABI (9)2 + (-7)2 + (-40) LAB Hlo5932

unit yeccor can be written ab! qê - 79 - 404 TAB) 41.5932 UAB AB =) Tosque Force vector at A = LIL UAB 50 X 41.5932 1 c qî 73 - 40k It = 10.82 8.4147 9 – 48.08 ☆ Moment vector at 0 TX хи where 5 = OA oê + 208 + 40k = (10.82Î – 8.419-48.08ť ) xco ê +20 + 401 ) Mo K 8 40 20 -8041 10.82 - 48.08 î ДО 20 40 - 8.41 -48.08 f 0 10,82 -48.08 د) O 20 10.82 -8.41

ño - – 625.2 2 + 432.8 7 – 21 6. 4 & KNM Moment vector at Buse is Mo and Magnitude of the moment (-695.2) ² 2 + (432.8) T (-216.42 Mols 790.58 KNm
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