Axial loads are applied to the solid cylindrical rods as shown. The loads P = 1500 lb, Q = 900, and R = 1300 lb. Find the maximum internal normal force in the structure. (A) - 2300 lb (B) (C) R - 1500 lb (1) (2) (3) - 1300 lb (D) - 300 lb A D (E) O lb (F) 300 lb (G) 1300 lb (H) 1500 lb (1) 2300 lb (J) None of the above

Axial loads are applied to the solid cylindrical rods as shown. The loads P = 1500 lb, Q = 900, and R = 1300 lb. Find the maximum internal normal force in the structure. (A) - 2300 lb (B) (C) R - 1500 lb (1) (2) (3) - 1300 lb (D) - 300 lb A D (E) O lb (F) 300 lb (G) 1300 lb (H) 1500 lb (1) 2300 lb (J) None of the above

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter1: Tension, Compression, And Shear

Section: Chapter Questions

Problem 1.3.21P: Find support reactions at A and D and then calculate the axial force N, shear force V, and bending...

See similar textbooks

Similar questions

A long, slender bar in the shape of a right circular cone with length L and base diameter d hangs vertically under the action of its own weight (see figure). The weight of the cone is W and the modulus of elasticity of the material is E. Derive a formula for the increase S in the length of the bar due to its own weight. (Assume that the angle of taper of the cone is small.)
The fixed-end bar ABCD consists of three prismatic segments, as shown in the figure. The end segments have a cross-sectional area A1= 840 mm2and length Lt= 200 mm. The middle segment has a cross-sectional area A2= 1260 mm2 and length L2= 250 mm. Loads PBand Pcare equal to 25.5 kN and 17.0 kN, respectively. (a) Determine the reactions RAand RDat the fixed supports. (b) Determine the compressive axial force FBCin the middle segment of the bar.
A bar ABC revolves in a horizontal plane about a vertical axis at the midpoint C (see figure). The bar, which has a length 2L and crass-sectional area A, revolves at constant angular speed at. Each half of the bar (AC and BC) has a weight W, and supports a weight W2at its end. Derive the following formula for the elongation of one-half of the bar (that is. the elongation of either AC ar BC). =L223gEA(w1+3w2) in which E is t he modulus of elasticity of the material of the bar and g is the acceleration of gravity.
Two separate cables AC and BC support a sign structure of weight W = 1575 lb attached to a building. The sign is also supported by a pin support at O and a lateral restraint in the '-direction at D. (a) Find the tension in each cable. Neglect the mass of the cables. (b) Find the average stress in each cable if the area of each cable is Ae= 0.471 in2.
Solve the preceding problem for the following data: b = 6 in., b = 10 in, L = 110 ft, tan a = 1/3, and q = 325 lb/ft.
Find support reactions at 4 and Band then use the method of joints to find all member forces. Let b = 3 m and P = 80 kN.
Solve the preceding problem for W = 1.0 lb. h = 12 in.,and k =0.511,/in.
A plane frame with a pin support at A and roller supports at C and £ has a cable attached at E. which runs over Frictionless pulleys al D and B (see figure). The cable force is known to be 400 N. There is a pin connection just Lo the left of joint C. (a) Find reactions at supports^, C, and E. (b) Find internal stress, resultants N, V, and M just to the right of joint C. (c) Find resultant force in the pin near C.
By what distance h does the cage shown in the figure move downward when the weight W is placed inside it? (See the figure.) Consider only the effects of the stretching of the cable, which has axial rigidity EA = 10,700 kN. The pulley at A has a diameter da= 300 mm and the pulley at B has a diameter dB= 150 mm. Also, the distance L1= 4.6 m, the distance L2=10.5 m, and the weight W = 22 kN. Note: When calculating the length of the cable. include the parts of the cable that go around the pulley sat A and B.
A plane Frame with pin supports at A and E has a cable attached at C, which runs over a friction-less pulley at F(see figure). The cable Force is known to be 500 lb. (a) Find reactions at supports A and E. (b) Find internal stress resultants N, V, and M at point H.
The L-shaped arm ABCD shown in the figure lies in a vertical plane and pivots about a horizontal pin at A. The arm has a constant cross-sectional area and total weight W. A vertical spring of stiffness k supports the arm at point B. (a) Obtain a formula for the elongation of the spring due to the weight of the arm. (b) Repeat part (a) if the pin support at A is moved to D.
The nonprismalic cantilever circular bar shown has an internal cylindrical hole of diameter dtl From 0 to x so the net area of the cross section n for segment I is A. Load P is applied at x, and load Ptl is applied at x = L. Assume that E is constant. (a) Find reaction force Ry (b) Find internal axial forces Ntin segments I and 2. (c} Find .v required to obtain axial displacement at joint 3 of