A crane boom of mass 450 kg with its center of mass at C is stabilized by two cables AQ and BQ (A, = 304 mm? for each cable) as shown in the figure. A load P = 20 kN is supported at point D. The crane boom lies in the y-z plane. (a) Find the tension forces in each cable: TAQ and TBQ (kN); neglect the mass of the cables, but include the mass of the 2m TBQ 559 5m TAQ 5m boom in addition to load P. (b) Find the average stress (o) in each 5 m 3 m cable. Crane boom C

A crane boom of mass 450 kg with its center of mass at C is stabilized by two cables AQ and BQ (A, = 304 mm? for each cable) as shown in the figure. A load P = 20 kN is supported at point D. The crane boom lies in the y-z plane. (a) Find the tension forces in each cable: TAQ and TBQ (kN); neglect the mass of the cables, but include the mass of the 2m TBQ 559 5m TAQ 5m boom in addition to load P. (b) Find the average stress (o) in each 5 m 3 m cable. Crane boom C

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

Consider that the catenary cable in the figure is anchored between supports A and B and issupporting only its own weight, which is w = 50 N/m.Determine the cable length, the minimum pulling force on the cable and the pulling force maximum without cable.
13. A 12-m pole supports a horizontal cable CD and is held by a ball and socket at A and two cables BE and BF as shown in Figure 2. Knowing that the tension in cable CD is 14 KN and assuming that CD is parallel to the x-axis (0), determine the horizontal component of the reaction at A. A. 7.00 kN B. 17.50 kN C. 22.4 kN D. 2.50 kN
A pulley-and-cable assembly supports block W and requires a downward force at P for equilibrium. Knowing that the tension of cable FG is 61.2 N, calculate the mass of the block and the magnitude of the downward force P.
A cable ABCD is pulled at end E by a force P (Figure P6.12). The cable is supported at point D by a rigid member DF. Compute the force P that produces a sag of 2 m at points B and C. The horizontal reaction at support F is zero. Compute the vertical reaction at F.
The tongs are used to grip the ends of the drillingpipe P. If a torque (moment) of MP = 800 lb ⋅ ft is neededat P to turn the pipe, determine the cable force F that mustbe applied to the tongs. Set θ = 30°.
Consider the three-dimensional structure shown in the figure, fixed to the ground at point O, and restrained by cables AB and CD. The tension TT in the restraining cable CD is 2.8 kN. Calculate the magnitude of the vector moment (in kNm) produced by the force exerted by the cable CD on point C, about the point O (assume use of the right-hand rule). Take aa = 4.7 metres, and bb = 3.8 metres.
The 6-m pole ABC is acted upon by a force P as shown. The pole is held by a ball-and-socket joint at A and by two cables BD and BE. If the tension in cable BE is 204 N and if a = 3m, determine the magnitude of force P(N). Round off only on the final answer expressed in 3 decimal places.
The 6-m pole ABC is acted upon by a 455-N force as shown. The pole is held by a ball-and-socket joint at A and by two cables BD and BE. For a =3 m, determine the tension in each cable and the reaction at A.
The boom supports the two vertical loads. Neglect the size of the collars at D and B and the thickness of the boom, and compute the horizontal and vertical components of force at the pin A and the force in cable CB. SetF1 = 800 N and F2 = 350 N.
A cable is attached to the 20 kg plate B, passes over a fixed peg at C, and is attached to the block at A. Using the coefficients of static friction shown, determine the smallest mass of block A so that it will prevent sliding motion of B down the plane.
For the beam and loading shown below (L = 2.4 m, E = 200 GPa, I = 1000 mm4 and w = 30 kN/m), find (a) TThe slope at point D.(b) The reaction force at end A
Compute the support reactions and the maximum value of w if the allowable tension force in the cable in Figure P6.10 is 200 kN.