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HW 4 solutionsb

HW 4 solutionsb - Irlame t o{u'o^ ME 2364-O0L.Statics Test...

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Irlame: ME 2364-O0L. Statics. Test 2. There are three problems. A reference sheet is attacheci to the last page. Show all your work and try to adhere to the standards of numeracy that we have discussed. Good luck. 1. A tugboat exerts a force of 6 kl/ along its own axis against a barge as shown beiow. This force is applied at point B. Replace this force with two forces in the same direction as the force at' B, but applied at A and C, respectively. In other words, the two new forces should be parallei to the force at B and statically equivalent to the original Ioading. Draw a sketch showing the forces that you have determined are statically equivalent to the original force. t o {u,.'o^ {t-6 7

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/f g 6kN Sl rX^,n^ (, :,F : Y,I flzq -= crl {o\.,. €l 5o\v- (q --, (r) * G'kN 4Sqn s,ubS" st- 7,L :tq. _ c) - =t A - -F A F t= 3 vql Slrur^- @ -> (') 6 tN \* 1t {< ? rr- stln 6s"
2. To keep a door closed, a wooden stick is wedged between the floor and doorknob. The stick exerts at B a 60 lb force directed along the line AB. Replace that force with an equivalent forc+couple system at C.

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HW 4 solutionsb - Irlame t o{u'o^ ME 2364-O0L.Statics Test...

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