Q2/4 m9.5mG,a) The tower crane is used to hoist a 2Mg load upwardG E 7.5 m-12.5 m-at constant velocity. The 1.5-Mg jib BD and 0.5Mg jibBC have centers of mass at G1 and G2, respectively.Determine the required mass of the counterweight Cso that the resultant moment produced by the load and23 mthe weight of the tower crane jibs about point A iszero. The center of mass for the counterweight islocated at G3?300 N250 Nb) Replace the loading on the frame by a single1 m2 m--3 mBresultant force. Specify where its line of actionintersects member AB, measured from A?2 m400 N-m60°3 m500 N

Given: Load is 2 Mg. Weights of the jibs BD and BC are 1.5 Mg and 0.5 Mg. The center of gravities of…

a) The tower crane is used to hoist a 2Mg load upward at constant velocity. The 1.5-Mg jib BD and 0.5Mg jib GF 75 m BC have centers of mass at G1 and G2, respectively. Determine the required mass of the counterweight C so that the resultant moment produced by the load and -12.5 m- 23 m the weight of the tower crane jibs about point A is zero. The center of mass for the counterweight is located at G3? 300 N 250 N b) Replace the loading on the frame by a single resultant force. Specify where its line of action m2 m- -3 m- B intersects member AB, measured from A? 2 m A00 N.m

a) The tower crane is used to hoist a 2Mg load upward at constant velocity. The 1.5-Mg jib BD and 0.5Mg jib GF 75 m BC have centers of mass at G1 and G2, respectively. Determine the required mass of the counterweight C so that the resultant moment produced by the load and -12.5 m- 23 m the weight of the tower crane jibs about point A is zero. The center of mass for the counterweight is located at G3? 300 N 250 N b) Replace the loading on the frame by a single resultant force. Specify where its line of action m2 m- -3 m- B intersects member AB, measured from A? 2 m A00 N.m

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter6: Beams And Cables

Section: Chapter Questions

Problem 6.77P: The cable AOB weighs 5.2 N/m. When the horizontal 30-N force is applied to the roller support at B,...

See similar textbooks

Similar questions

Suppose P = 2500 lb. From the frame below, determine the magnitude and direction of (1) Ax and Ay (2) Dx and Dy (3) the vertical and horizontal component of the force at C as it acts on member BCD
If F1 = 10N, F2 = 15N, F3 = 8N, F4 = 10N, F5 = 18N, and the Iength of te slde of a red square is 1m. CaIculte magnltude (+ for CCW, - for CW) of the resuItant moment (N-m) about (a) point A (b) point B (c) and dlrection of te resuItant force
Give the correct answer and clear solution of the problem1.A plate is subjected to a couple Fd , with d=20cm , as shown below left. Verify that the couple can be moved to the position shown below right, and the effect on the plate is the same, by showing that the moment about point o in both cases isM=-20F .
A bent pipe is connected by a thrust bearing and a cable asshown. If a Force, F = 195 lb, is applied, what are the reactions at the thrust bearing and in the cable. The dimensions shown are a = 7.2 ft, b = 6.2 ft, and c = 4.6 ft.
A motor attached to the shaft at O causes the arm to rotate over the range 0≤θ≤180∘. The unstretched length of the spring is 0.65 m, and it can support both tension and compression. If the net moment about O must be zero, determine and plot the required motor torque M as a function of θ. Draw the plot and then answer the questions.Assume k = 780 N/m, r = 0.47 m, a = 0.32 m.
The bent rod is supported by a smooth surface at B and by a collar at A, which is fixed to the rod and is free to slide over the fixed inclined rod. Suppose that F = 170 lb and M = 350 lb⋅ft A) Determine the magnitude of the reaction force on the rod at B. NB = ? B) Determine the magnitude of the reaction force on the rod at A. NA= ? C) Determine the moment of reaction on the rod at A. MA= ?
Beam has a mass of 75.0 kg. F1 = 85.0 N F2 = 150.0 N F3 = 125.0 N a) Locate the center of gravity of the beam. Determine b) the net torque on thebeam about point O; c) the required magnitude of F3 to keep the beamstationary
An exhaust system for a pickup truck is shown in the figure. The weights Wh, Wm, and Wt of the head pipe, and tailpipe are 10, 100, and 50 N, respectively, and act at the indicated points. If the exhaust pipe hanger at point A is adjusted so that its tension FA is 50 N and F. = FD, determine the required forces in the hangers at points B, C, and D so that the resultant and moment at point O is zero.
Use the method of members to find the components of the forces acting on the frame with P=750N and Q=3000N
A 10-m uniform beam of weight 100 N is supported by two ropes at its ends. If a 400-N person sits at the center of the beam, what is the tension in the right rope?
The resultant force of the three cable tensions that support the crate is R = 500j lb. Find T1 and T3, given that T2 = 300 lb. "Full procedure (step by step), please."
Determine the magnitude of the resultant moment (Nm) produced by forces P = 632 N and Q = 363 N about point O if h=7m. Round off only on the final answer expressed in 3 decimal places.