3.) Rigid bar BC is supported by aluminum rod (1) and bronze rod (2), as shown in the figure. If the maximum force the aluminum rod can take is 30040 N and the maximum force the bronze can take is 31190 N, determine the maximum force P that can be applied to the rigid bar BC to remain in equilibrium. Assume that L = 1100 mm and a = 500 mm. [Answer: P = 57.2 kNJ

3.) Rigid bar BC is supported by aluminum rod (1) and bronze rod (2), as shown in the figure. If the maximum force the aluminum rod can take is 30040 N and the maximum force the bronze can take is 31190 N, determine the maximum force P that can be applied to the rigid bar BC to remain in equilibrium. Assume that L = 1100 mm and a = 500 mm. [Answer: P = 57.2 kNJ

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

3. The rigid bar AB, attached to two vertical rods as shown in Figure 3, is horizontal before the load P is applied. Determine the vertical movement of P if its magnitude is 50 kN. Aluminum L= 3 m A = 500 mm² E = 70 GPa A 3.5 m FIGURE 3 P B Steel L= 4m A = 300 mm² E = 200 GPa 2.5 m C
A state of stress is specified in the figure shown below. Determine the Normal stress oy (mPa) on the Principal Plane if P1 = -9mPa; P2 = 47mPa and v= 25mPa P1 P2
A bar made from aluminum (E = 72 GPa) has a diameter of 12 mm. When the bar is subjected to a tensile axial force P, its diameter is decreased by 0.018 mm. Assume the Poisson’s ratio to be 0.33. Determine the value of loads P and its axial deformation. P = ? N δ = ? mm
A load P will be supported by a structure consisting of a rigid bar ABCD, a polymer [E = 2,300 ksi; a= 2.9 x 10-6/°F] bar (1) and an aluminum alloy [E = 10,000 ksi; a = 12.5 x 10-6/°F] bar (2), as shown. Each bar has a cross-sectional area of 2.00 in.². The bars are unstressed when the structure is assembled at 30°F. After a concentrated load of P = 31 kips is applied and the temperature is increased to 100°F, determine the normal force in bar (1). 6 ft 2.5 ft O 3.74 kips 4.77 kips (1) B 3 ft 8 ft 1.5 ft 2 D
A rigid steel bar is supported by three rods, as shown. There is no strain in the rods before the load P is applied. After load P is applied, the normal strain in rod (2) is 1190 µin./in. Assume initial rod lengths of L1 = 131 in. and L2 = 61 in. Determine (a) the normal strain in rods (1). (b) the normal strain in rods (1) if there is a 0.057 in. gap in the connections between the rigid bar and rods (1) at joints A and C before the load is applied. (c) the normal strain in rods (1) if there is a 0.057 in. gap in the connection between the rigid bar and rod (2) at joint B before the load is applied. (1) (1) (2) Rigid bar Answers: (a) ɛ1 = i pin./in. (b) Ɛ1 = i pin./in. (c) Ɛ1 = i pin./in.
QUESTION 1) In the figure, the rigid ABC rod is held horizontally by E two elastic rods made of steel and bronze materials at points A and B. The cross-sectional area of the steel bar is A,=10 cm and the cross-sectional area of the bronze bar is A,=50 cm. There is no stress in the bars initially. 5m Calculate the forces that will occur in the elastic rods when the temperature decrease by 50°C. steel В A Note: - For steel, modulus of elasticity is E=210 GPa and coefficient of thermal expansion is a,=12x10“ 1/°C 4m bronze rigid - For bronze, modulus of elasticity is E,=90 GPa and coefficient of thermal expansion is a,=19x10“ 1/C D 5m 3m
The rigid bar ABC is supported by a pin at B and two vertical steel rods. Initially the bar is horizontal and the rods are stress-free. Determine the stress in each rod if the temperature of the rod at A is decreased by 50°C. Neglect the weight of bar ABC. Use a = 11.7 x 10/°C and E = 200 GPa. A= 1200 mm A=300 mm 1.2 m 0.9 m 君 12 m
In the metallic structure represented by the figure below, the load P is 1200No. What is the maximum bending moment in member BC?
A rigid bar AB is hinged at A and is supported by a rod CD at C. The rod is pin connected at D, as shown. Neglect deflections of the bar due to bending. Use E=200 GPa. If the allowable stress in rod CD is 120 MPa, what weight W in kgs can be safely applied?
A load P will be supported by a structure consisting of a rigid bar ABCD, a polymer [E = 2,300 ksi; a = 2.9 x 10-6/°F] bar (1) and an aluminum alloy [E = 10,000 ksi; a = 12.5 x 10-6/°F] bar (2), as shown. Each bar has a cross-sectional area of 2.00 in.². The bars are unstressed when the structure is assembled at 30°F. After a concentrated load of P = 38 kips is applied and the temperature is increased to 100°F, determine the normal force in bar (1). 6 ft 2.5 ft 5.16 kips 4.86 kips 2.48 kips 3.88 kips O 4.09 kips (1) B 3 ft P 8 ft 1.5 ft
A tensile force acts on the value P = 25 kN at point A of the T section shown in the figure. Find the largest and smallest stresses in the cross section. Answer:ϭmax=9,44 MPa, ϭmin=-3,99 MPa
Problem # 8: A bar made from aluminum (E = 72 GPa) has a diameter of 12 mm. When the bar is subjected to a tensile axial force P, its diameter is decreased by 0.018 mm. Assume the Poisson's ratio to be 0.33. Determine the value of loads P and its axial deformation. d = 12 mm P L 1.20 m P