2-75 sol - F R u = 1 7 3 . 5 1 N \ 84.e / ( -zt.a\ F3u-l...

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I Problem 2-75 Three forces act on the hook. If the resultant force Fo has a magnitude and direction as shown, determine the magnitude and the coordinate direction angles of force Fr. Given: Fn = l20N F/ =8oN Fz = ll0 N c =3 d=4 0=30deg 0=45deg Solutton Flt FRt (64\ tl Frv=lo lN Ior / (0 ) tl ttu=l o l,u \-l l0l (+z+) FRu=173.5 1N \
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Unformatted text preview: F R u = 1 7 3 . 5 1 N \ 84.e / ( -zt.a\ F3u-l rr.r l* I r+o.q J r"'l [rs) lB l= | o:.2 laee \r ) \27.s ) r .' )[;l l#-'rl[,J r') = Ftl 0 | "[-,J 1,."'(6)si"(a)) = rnl "o'(o)""'(a) | \ 'rn(A) ) F 2 t Itq,,l = 16s.6 N F 3 n ' : F R u - F l u - F 2 u r") l o l : \ / ) ( t ' " ) acosl -i-----T I I lrr"lJ...
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This note was uploaded on 01/20/2011 for the course PHYS 170 PHYS 170 taught by Professor Macmillan during the Spring '10 term at UBC.

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