Replace the three forces shown by an equivalent force-couple system at point A. If the forces are replaced by a single resultant force, determine the distance d below point A to its line of action. Answers: R= 240 N M = 315 N d = i Single resultant force. 210 N Force-couple system at A. The force is positive if to the right, and the couple is positive if counterclockwise. i 9 i 670 mm 670 mm 670 mm N N.m mm

Replace the three forces shown by an equivalent force-couple system at point A. If the forces are replaced by a single resultant force, determine the distance d below point A to its line of action. Answers: R= 240 N M = 315 N d = i Single resultant force. 210 N Force-couple system at A. The force is positive if to the right, and the couple is positive if counterclockwise. i 9 i 670 mm 670 mm 670 mm N N.m mm

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

Obtain the elastic curve of the ABC bar by the "InitialValues Method". Calculate the rotation (OA) of point A. c A В EI EI EL4 L
The throttle-control lever OA rotates in the range 0 ≤ 0 ≤ 90°. An internal torsional return spring exerts a restoring moment about O given by M = K(0+π/4), where K = 670 N-mm/rad and is in radians. Determine and plot as a function of the tension T required to make the net moment about O zero. The effects of the radius of the pulley at B are negligible. After you have completed the plot, answer the questions. Assume r = 30 mm, d = 95 mm. B 45° d M Answers: If 0 = 35%, the tension T = If 0 = 41°, the tension T = If 0 = 72°, the tension T = i i i T N Z Z Z N N
Solve using Conjugate Beam Method. N-mm
The 742-N force is applied to the 117-kg block, which is stationary before the force is applied. Determine the magnitude and direction of the friction force F exerted by the horizontal surface on the block. The force is positive if to the right, negative if to the left. H₂=0.83 Hk = 0.59 Answer: F = i 28° N P = 742 N
Determine the resultant forces at pins B and C on member ABC of the four-member frame.
Problem 3-Determine the moment applied at point F to achieve equilibrium of the system. Use the Method of Virtual Work for the solution. 120 mm 40N 150 mm G 150 mm A ION 500 mm 541 E k FMF C B JON•m
PROBLEM : Determine the angle e for equilibrium of the lever shown . Distegard the weights of bars AB and BC , Bak 2 M. 900 200 N 100 N 1m.
Q9
The 719-N force is applied to the 109-kg block, which is stationary before the force is applied. Determine the magnitude and direction of the friction force F exerted by the horizontal surface on the block. The force is positive if to the right, negative if to the left. H₂ = 0.83 H = 0.59 Answer: F= i 21° N P = 719 N
P1) Using the second theorem of Catigliano find the amount of internal forces in the shown truss. (Note that the structure is symmetric.) с EA= cte A 130 112 D P 30 VP 38! ур 1/2 B Use the following numerical values if you like: l=2 meters, E=2100 tonf/cm², A-100 cm² and P-4 tonf.
A countershaft carrying two V-belt pulleys is shown in the figure. Pulley A receives power from a motor through a belt with the belt tensions shown. The power is transmitted through the shaft and delivered to the belt on pulley B. Assume the belt tension on the loose side at Bis 15 percent of the tension on the tight side. For the steel countershaft shown below, find the deflection and slope of the shaft at point A. Use superposition with the deflection equations in Table A-9. Assume the bearings constitute simple supports. In the figure shown, Tx=545 lbf, Ty=81.75 lbf, and the diameter of the shaft (dshaft) is 1.29 in. Ty 10 in 8-in dia. 18 in dshaft 10-in dia. The deflection at point A is The slope at point A is T₂ 12 in X in. 10-4 rad.
The bar ABC has multiple bends in different directions. It has a force applied at point C. Using the listed parameters, find the resulting moment about A expressed as a Cartesian vector. A LA B. X y C 02 F value units L1 parameter 275 mm L2 L3 L4 400 mm 225 mm 475 mm 70 80 F 60 The moment about point A = }N-m NOTE: Use i, j, k for i, j, k