The rigid bars AB and CD shown in Fig. are supported by pins at A and C and the two rods. Determine the maximum force P that can be applied if the movement of (P) is limited to 10 mm. Neglect the wieghts of all members. Aluminum L= 2 m A = 500 mm² E = 70 GPa 3m 3m 3m 3m C P B D Steel L= 2 m A = 300 mm² E = 200 GPa
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- 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.The uniform 44 kN bar BC is supported by a pin at C and the aluminum wire AB. The cross-sectional area of the wire is 178.5 mm2. Assuming bar BC to be rigid, find the vertical displacement of B due to the weight of the bar. Use E = 71 GPa for aluminum. Anwer must be in mm.A safety valve spring having 9 and 2 coils has the ends squared and ground. The outside diameter of the coil is 115 mm and the wire is 13 mm. It has a free length of 203 mm. The length of which this spring must be initially compressed to hold a boiler pressure of 1.38 MPa on the seat of 32 mm diameter. Modulus of rigidity is taken as G=80GN/m?. a. Find the force acting on the valve set. b. Determine the mean diameter c. Determine the spring index d. Find the spring deflection e. Find the operating length f. Calculate the solid length g. Calculate the deflection of solid length h. Compute the solid force i. Compute the Wahl factor
- The rigid bar AB of negligible weight is supported by a pin at 0. When the two steel rods are attached to the ends of the bar, there is a gap D= 4 mm between the lower end of the left rod and its pin support at C. Compute the stress in the left rod after its lower end is attached to the support. The cross-sectional areas are 300 mm2 for rod AC and 250 mm2 for rod BD. Use E= 200 GPa for steel. lo/0 0.75 m 1.5m 2 m ANSWER: MPaAxial loads are applied with rigid bearing plates to the solid cylindrical rods shown. If F₁ = 31 kips, F₂ = 11 kips, F3 = 22 kips, and F4 = 36 kips, determine the absolute value of the axial load in rod (2). F A F₂ (1) F₂ B F3 C (3) D O 16 kips O 12 kips O 7 kips O 9 kips O 22 kips600 N 0.4 m 0.4 m -03 m-03 m-03 m-03 m- The frame shown is supported by fixed support at E and smooth surface at A. Find: • the internal forces exerted by the internal Pin at B. Bx=.. ByD • The internal force at D
- Rope BCA passes through a pulley at point C and supports a crate at point A. Rope segment CD supports the pulley and is attached to an eye anchor embedded in a wall. Rope segment BC creates an angle of ø = 64.0 ° with the floor and rope segment CD creates an angle 0 with the horizontal. If both ropes BCA and CD can support a maximum tensile force Tmaz = 165 lb. what is the maximum weight Wmar of the crate that the system can support? What is the angle e required for equilibrium? Express your answers numerically in pounds and degrees to three significant figures separated by a comma. • View Available Hint(s) nν ΑΣφ vec Wmax.0 = lb, degreesAxial loads are applied with rigid bearing plates to the solid cylindrical rods shown. If F₁ = 30 kips, F₂ = 14 kips, F3 = 20 kips, and F4 = 39 kips, determine the absolute value of the axial load in rod (2). EVOVE F3 (2) (3) A O 24 kips O 18 kips O 21 kips 28 kips O 17 kips B F3 F4 C Dplz help before -ront The shaft is supported at its ends by two bearings A and B and is subjected to the forces applied to the pulleys fixed to the shaft. (Figure 1) The T₁ 410-N forces act in the - direction and the 200-N and 80-N forces act in the +y direction. The journal bearings at A and B exert only y and components of force on the shaft. Figure lashel but sol is 300 mm A 200 mm 2 150 mm 150 mm ✓ 200 mm 400 mm B. 200 N 200 N 80 N 80 N 1 of 1 ▾ Part B Determine the resultant shear force in the y direction on the cross section at C Express your answer to three significant figures and include appropriate units. (Vc)y=245.714 Submit Part C Submit * Incorrect; Try Again; 3 attempts remaining Check your signs. (Vc),= 175 ▾ Part D Determine the resultant shear force in the direction on the cross section at C. Express your answer to three significant figures and include appropriate unite. T= 10 ▾ Part E Previous Answere (Mc) Submit M ^ Part Fi * Incorrect; Try Again; 5 attempts remaining…
- Consider a steel cube with side length L and each of its faces normal to the orthogonal axes x, y, and z as shown below. If the cube is subjected to a constant tensile force T along the x-axis and the faces along the y- and z- axes are left free and unsupported, which of the following best describes what is expected to happen? Z Select one: O A. The cube will expand along the x-axis and compress along the y- and z-axes. B. The cube will expand along the x- and y-axes and will not deform along the z-axis. O C. The cube will expand along the x-axis and will not deform along the y- and z-axes. O D. The cube will compress along the x-axis and expand along the y- and z-axes.The exercise machine consists of a rigid bar, pin connected to the frame at A. As the man pushes up on the bar it stretches the rubber band BC. (Figure 1) Neglect the weight of the bar. Figure 5 ft 1 of 1 > 10.5 ft C Part A If the stiffness of the rubber band is k = 500 lb/ft, determine the applied vertical force F needed to hold the bar in the position 0 = 30°. The rubber band is unstretched when 0 = 0°. Express your answer in pounds to three significant figures. F = Submit VE ΑΣΦ | 11 Provide Feedback Request Answer vec ? lb Next >The rigid beam shown is supported by a pin at A and two steel rods each of diameter 16 mm. If P = 30 kN, determine the tensile forces PBe & Pcr in rods BE and CF, respectively. For steel, E = 200 GRa: F 2.0 m E P = 30 kN 2.5 m B -3 m- -3 m-