quiz 1 - HMHIIHIIIIIIIIII m Surname, Name MIDDLE EAST...

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Unformatted text preview: HMHIIHIIIIIIIIII m Surname, Name MIDDLE EAST TECHNICAL UNIVERSITY DEPARTMENT OF CIVIL ENGINEERING CE 221 — ENGINEERING MECHANICS I — STATICS QUIZ 1, March 12, 2004 1. The pole is held in place by three cables. If the force of each cable acting on the pole is shown, determine the magnitude and coordinate direction angles of the resultant force. Set x=3.50 m, z=3 m. ft! 3 (2i; #3 = 300 n ’ F3 a 250 N x . 4 m: ‘ 3 mix ‘ t A (35‘ drum) 7": 3S0 (—11: a 3K} E: 2§o('3.‘—L;3+2L) ) $3=200» , a .J M , ma" 3’5 *9 _—s a :F1+?L1';J ‘ 32,??? " 662/343 4' 3QI3,1 k “24‘ :é63,80 N O - o — o< - mum.in , %= wifléifi’r‘lz » X=cos'(z.2:£‘—)= 94%" 66330 663,? 653,? CE 221 Quiz 1, March 12, 2004 Page 1 of 2 2. Two forces act on the hook. Determine the magnitude of the projection 0sz along F1. x fizeflmwajwmw MG 00:19.9 f + 0956031 +cos <15 Ir. (M: .05? + 0.53 + eggznk. '3‘ I ' “ 3' ' l k' M! l 5-34.51“; N (aflosgtfl a» M,&r€d~on 3/ F, ) 5:1" N {Wang-HAL = L CE 221 Quiz 1,‘ March 12, 2004 Page‘2 of2 ...
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This note was uploaded on 06/24/2009 for the course CE 221 taught by Professor Tuken during the Spring '09 term at Middle East Technical University.

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quiz 1 - HMHIIHIIIIIIIIII m Surname, Name MIDDLE EAST...

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