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Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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A simple torsion-bar spring is shown. The shear stress in the steel [G= 11,500 ksi] shaft is not to exceed 8800 psi, and the vertical deflection of joint D is not to exceed 0.400 in. when a load of P = 3000 lb is applied. Neglect the bending of the shaft and assume that the bearing at C allows the shaft to rotate freely. Determine the minimum diameter required for the shaft. Use dimensions of a = 70 in., b = 24 in., and c = 24 in. a b Answer: d= D P B in. C
The right angle bar is supported by a pin at B and a roller at C as shown in figure. The 30 mm diameter pin is in double shear. The shear stress in the pin is limited to 120 MPa. Neglect torsional effect. 400 mm BC The maximum safe value of Pis 30° P 480 mm kN. (Round off to one decimal place)
If the load P = 1 N, length L = 1 m, Young's modulus E = 70 GPa, and the cross-section of the links is a square with dimension 10 mm x 10 mm. All joints are pin joints. Determine The stress in the link AB.
The bell-crank mechanism is in equilibrium for an applied load of P= 48 kN. Assume that a = 230 mm, b = 180 mm, and 8 = 65°. The pin at B has a diameter of d = 30 mm, and the bell crank has a thickness of t= 10 mm. Calculate the bearing stress in the bell crank at pin B. (1) P Answer: O= i Bell crank A a C MPa B Support bracket b B F₁
A. Calculate the shear force in the pin at B in pounds. B. Calculate the shear stress in the pin at B in psi.
Reduce the given loading system to a force-couple system at point A. Then determine the distance x to the right of point A at which the resultant of the three forces acts. A Answers: 8" V R= i M= 320 lb X= i Force-couple system at A. The force is positive if up, and the moment is positive if counterclockwise. Resultant i 15" 24" 600 lb 350 lb lb lb-in. in.
1. A stepped shaft is shown, the region AB is aluminum having G = 28 GPa, and the region BC is steel, having G= 80 GPa. The aluminum portion is of solid circular cross section 45 mm diameter, and the steel region is circular with 60 mm outside diameter and 30 mm inside diameter. A clockwise torsional load of 4000 N-m is applied at B, assume ends A and Care rigidly clamped. De termine the following: a. maximum shearing stress in the aluminum b. maximum she aring stress in the steel (
A hollow steel crank has an outside diameter of 57 mm and an inside diameter of 52 mm. The load magnitudes are Py= 400 N and P, = 210 N, and the length dimensions are a = 125 mm, b = 344 mm, and c = 225 mm. y Py K Pz b Determine the magnitudes of the equivalent forces and the equivalent moments that act at the section that contains point K. (a) Axial force in x direction Px (N) (b) Shear force in y direction V, (N) (c) Shear force in z direction V, (N) (d) Torque around x axis Tx (N-m) (e) Bending moment around y axis M, (N-m) (f) Bending moment around z axis M, (N-m)
the bell crank as shown in the figure is in equilibrium determine the shearing force in the pin D. Please include Free body diagram and show complete solution
ENGINEERING MECHANICS (UPVOTE WILL BE GIVEN. PLEASE WRITE THE COMPLETE SOLUTIONS AND FBD LEGIBLY. NO LONG EXPLANATION NEEDED. BPX THE FINAL ANSWER. ANSWER IN 2 DECIMAL PLACES.) Given the Cantiliver Truss. Solve for the following: a. Solve for the reactions at A and B. b. Solve the force in members EF, DE, DF by using any methods.

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Show complete FREE BODY DIAGRAM, GIVEN, AND SOLUTION : Problem : Determine the clamping force at A due to the 75-N horizontal force applied to the handle at E.