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Week7 - ME 224L—MECHANICS LAB WORKSHEET 7 The door is...

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Unformatted text preview: ME 224L—MECHANICS LAB WORKSHEET 7 The door is hinged along the x—axis and is supported by a chain at B in a position 20 degrees inclined to the icy-piano. A force F = 20 Eb is appﬁed at B. Find a.) the moment about ‘0’, Mo, of the force exerted on the piate by F and b) ﬁnd the moment of F about the X~aXiS, Mx. (A «55' Vera-rvﬂS . 7 .., 2. For the given loading, ﬁnd the zero—fore: members in the truss. 3. Find the force in each of the 6 members of the truss shown. 53 u&————T—‘ 59; (state if the member is in tension, T , or compression, C) 4. Find the force in each member of the truss shown. (state if the member is in tension, T , or compression, C) 5. Find the force in members CD and DF of the truss - shown. sm—T—‘gmfam—T—amr—I (state if the member is in tension, T , or 1mm £101“ £10k” £10k“ compression, C) 5m 6. Find the force in members BI and II of the truss which serves to support the deck of a bridge. (state if the member is in tension, T , or compression, C) 8000 ii) 7. The roof truss supports the verticai loading shown. Find the force in members BC, CK, and K1 8 kN (state if the member is in tension, T , or compression, C) ...
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