Chapter 4, Problem 68P

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Replace the three forces acting on the bent pipe by a single equivalent force R. Specify the distance d from point O to the point on the x-axis through which the line of action of R passes: 50 lb 40 lb 10 10" 10" 60 lb

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THE WRENCH IS USED TO TIGHTEN A NUT ON THE WHEEL, DETERMINE THE MOMENT OF 120-lb FORCE ABOUT THE ORIGIN O.    Give the following: given, free body diagram, and solution

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The tower crane is used to hoist the 2.1-Mg load upward at constant velocity. The 1.3-Mg jib BD, 0.9-Mg jib BC, and 6.5-Mg counterweight C have centers of mass at G1, G2, and G3, respectively. Determine the resultant moment in kN-m produced by the load and the weights of the tower crane jibs about point B. ( in kN.m and assume counterclock wise as positive, clockwise as negative) 4 m 9.5m -7.5 m G1 12.5 m 23 m

Determine the resultant of the four forces acting the circular plate and the angle ϴ, which the resultant makes with the indicated x-axis. Show the FBD and use the parallelogram law to solve the problem.

The shaft is supported by a thrust bearing at A and a journal bearing at B.  Determine the x, y, z components of internal force at point C. Determine the x, y, z components of internal moment at point C.

5 The compound bar is supported by a thrust bearing at A, a slider bearing at B, and the cable CD. Determine the tension in the cable and the magnitude of its moment about the x axis. D 2.8 ft ! 3.5 ft 3.5 ft 270 lb