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6-8, 6-16, 6-30 - Draw a free-body diagram for the beam...

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Unformatted text preview: - Draw a free-body diagram for the beam shown in Fig l Ps—B I SOLUTION The action of the pin at support A is represented by force components I“ and Ky. The cable is continuous over the pulley; therefore, the force in the cable is constant. At points B and C the cable exerts tensile forces T on the been that are tangent to the cable. {a} (b) - Draw a free-body diagran for SOLUTION {a} bar AC shown in Fig. P6-16. (b) bar DE shown in Fig. P6—16. The cable exerts a force T on bar AC that is tangent to the cable at point A. The action of the pin at support B is represented by force components fix and By. The pin at C exerts a force C on bar AC that is normal to the surface of the slot in bar DE. The action of the pin at support D is represented by force conponents 5x and Dy. The pin at C exerts a force C on bar DE that is normal to the surface of the slot in the bar. - Draw a. free-body diagram for the bent bar shown in Fig. P6-30. Supports at B and C are ball bearings. The horizontal and vertical surfaces at A are smooth. SOLUTION The smooth horizontal and vertical surfaces at A exert forces A“ and K2 on the bar that are normal to the two surfaces. The ball bearings at supports B and C are represented by force components Bx and By at bearing B and force components Cx and Cy at bearing C. ...
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