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Unformatted text preview: THE UNryERSITY OF BRITISH COLUMBTA 2OO4 I 2OO5 WINTER SES S tON PHYSTCS 179 MEqHAMCS r Midterm Examination 1100 to I150 Friday, February ZS,2005 Write all work to be rna*ed in ttre Ansqrcr Booklets provid. Yotr rnay consuh any nrat rial pu have brouglrt to the oemination romt. Ttre erram omsists of 2 questiors worth a toat of 20 marla. Arcstion I is woflh 7 mads. QueSim 2 is wordr 13 rnad$. QTJESTION I The diagrarn below shows points A' B and C on a rigrd body. A force F of magnitude 200 N acb at point A, The coordinate direction angle of F to the positive yar<is is 40". The coordinate direction angle of F to the positive zaxis is 70" The coordinare direction angle of F to the positive xaxis is greater &an 9O" a) Det rmine the coordinale direction angle of F to the positive xaxis (l mark) b) Determino the magnitude of the moment of F about an axis extending from B to C. (a marks) c) Express this momont as a Cartesian vector. (2 marks) .'\ e ( r  3 s ) * J ) rF *, ..\ {,!{,!...
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This note was uploaded on 02/03/2010 for the course PHYS PHYS 170 taught by Professor Gordonsemenoff during the Spring '05 term at The University of British Columbia.
 Spring '05
 GordonSemenoff
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