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2 lb f y 1000 lb 1000lb fz 200lbc s30sin25 o

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Unformatted text preview: ting_files4/ main/ prev iew s/ doc431728704/ prev iew 74 P R O B L E M 2 . 7 3 Determine (a) the x, y, and z components of the 200­lb force, (b) the θθ θ angles x , y , and z that the force forms with the coordinate axes. SOLUTION F x = (200 lb c) s 30 co° 25 o s (a) ° = 156.98 lb F x = + 157.0 lb F y = (200 lb s)n 30 i F z = − 73.2 lb F y = + 100.0 lb ° = 100.0 lb ° Fz = − (200 lb c) s 30 sin 25 o ° = − 73.1996 lb (b) 156.98 cos θ x = or 200 θ x = 38.3 ° 100.0 cos θ y = or 200 θ y = 60.0 ° dc217. 4shared. com/ doc/ AOPLVdUr/ prev iew . html cos θ z = − 73.1996 200 or θ z = 111.5 ° 5/ 11 2/ 6/ 14 / usr/ hostin...
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This test prep was uploaded on 02/21/2014 for the course PHYS 1120 taught by Professor Dick during the Spring '10 term at WPI.

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