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HW10-Solution

# HW10-Solution - HW10 Solution Terry Cooke Cal Poly San Luis...

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HW10 - Solution Terry Cooke: Cal Poly San Luis Obispo

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Chapter 4, Solution 95 Dimensions in mm We have six unknowns and six Eqs. of equilibrium–OK 0: ( 120 ) ( ) (120 160 ) (80 200 ) ( 720 ) 0 C x y D D T   M k i j j k i k i j 3 3 120 120 120 160 57.6 10 144 10 0 x y D D T T j i k j i k Equating to zero the coefficients of the unit vectors: : k 3 120 144 10 0 T ( a ) 1200 N T : i 3 120 57.6 10 0 480 N y y D D   : 120 160(1200 N) 0 x D j 1600 N x D   0: x F 0 x x C D T 1600 1200 400 N x C 0: y F 720 0 y y C D 480 720 1200 N y C 0: z F 0 z C ( b ) (400 N) (1200 N) (1600 N) (480 N)   C i j D i j
Chapter 4, Solution 106 Free-Body Diagram: Five Unknowns and six Eqs. of equilibrium. Equilibrium is maintained ( 0). AC M 1.2 2.4 B A r k r k 0.8 0.6 2.4 2.6 m 0.8 1.2 2.4 2.8 m AD AD AE AE   i j k i j k   ( 0.8 0.6 2.4 ) 2.6 (0.8 1.2 2.4 ) 2.8 AD AD AE AE T AD T AD T AE T AE

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HW10-Solution - HW10 Solution Terry Cooke Cal Poly San Luis...

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