problem11_13

# University Physics with Modern Physics with Mastering Physics (11th Edition)

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11.13: In both cases, the tension in the vertical cable is the weight . ω a) Denote the length of the horizontal part of the cable by . L Taking torques about the pivot point, ), 2 ( 0 30 tan L w wL . TL + = ° from which . 60 . 2 w T = The pivot exerts an upward vertical force of w 2 and a horizontal force of w 60 . 2 , so the magnitude of this force is w 28 . 3 , directed ° 6 . 37 from the horizontal. b) Denote the length of the strut by L , and note that the angle between the diagonal part of the cable and the strut is
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• NoProfessor
• Force, pivot point, horizontal force, upward vertical force

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