3.48 The 25-m crane boom AO lies in the yz plane. Determine the maximum permissible tension in cable AB if the absolute value of moments about the coordinate axes of the force exerted on A by cable AB must be
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Vector Mechanics for Engineers: Statics
- Knowing that the tension of cable AB is 75 N. Determine the moment of force AB about (a) point C and(b) axis CD.arrow_forwardA couple M and the three forces shown are applied to an angle bracket. Find the moment of the couple if the line of action of the resultant of the force system is to pass through ( a) point A , (b) point , (c) point C.arrow_forwardThe magnitude of the moment of force P about point O is 200 kN • m. Determine the magnitude of P.arrow_forward
- A certain force F has a moment of 180 N-m clockwise about point O and 90 N-m counterclockwise about point B. If its moment about point A is zero, determine the magnitude and direction of the force. Also, determine the x-intercept of the force. (x-intercept of the force is the distance of the intersection of the line of action of the force and the x-axis, measured from the origin O)arrow_forwardBefore the trunk of a large tree is felled,cables AB and BC are attached as shown.Knowing that the tensions in cables AB andBC are 555 N and 660 N, respectively,Determine the moment about O of theresultant force exerted on the tree by thecables at B. Determine the perpendiculardistance from point O to cable AB .arrow_forwardIn Prob. 3.26, determine the perpendicular distance from point O to cable BD.(Reference to Problem P3.26):A precast concrete wall section is temporarily held by two cables as shown. Knowing that the tension in cable BD is 900 N, determine the moment about point O of the force exerted by the cable at B.arrow_forward
- In Prob. 3.58, determine the perpendicular distance between portion BG of the cable and the diagonal AD.(Reference to Problem 3.58):In Prob. 3.57, determine the moment about the diagonal AD of the force exerted on the frame by portion BG of the cable.(Reference to Problem 3.57):The frame ACD is hinged at A and D and is supported by a cable that passes through a ring at B and is attached to hooks at G and H . Knowing that the tension in the cable is 450 N, determine the moment about the diagonal AD of the force exerted on the frame by portion BH of the cable.arrow_forwardAn 8-m long cantilever beam is loaded with vertical forces A = 60 kN and B = 108 kN, separated by a distance d = 5.6 m, as shown. Replace the two forces with a single equivalent force R and determine the distance x-bar (x¯) from the left end of the beam to the line of action of R.arrow_forwardThe wire AE is stretched between the corners A and E of a bent plate.Knowing that the tension in the wire is 435 N, determine the moment about O of the force exerted by the wire (a) on corner A, (b) on corner E.arrow_forward
- The rectangular plate is supported by the brackets at A and B and by a wire CD. Knowing that the tension in the wire is 200 N, determine the moment about A of the force exerted by the wire at C.arrow_forwardIn Prob. 3.24, determine the perpendicular distance from point B to wire AE.(Reference to Problem 3.24):The wire AE is stretched between the cornersA and E of a bent plate. Knowing that the tension in the wire is 435 N, determine the moment about O of the force exerted by the wire (a) on corner A, (b) on corner E.arrow_forwardA small boat hangs from two davits, one of which is shown in the figure. It is known that the moment about the z axis of the resultant force RA exerted on the davit at A must not exceed 279 lb·ft in absolute value. Determine the largest allowable tension in line ABAD when x=6 ft.arrow_forward
- International Edition---engineering Mechanics: St...Mechanical EngineeringISBN:9781305501607Author:Andrew Pytel And Jaan KiusalaasPublisher:CENGAGE L