A 10 kN falls 30 mm on a collar rigidly attached to a vertical rod of 4 m long and section of 1000 mm². Find the instantaneous ex- tension of the bar. Use E = 210 GPa.
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- 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.A truck of mass 2 tonnes runs into a buffer stop having three buffer springs each of 10 kN/cm stiffness connected in parallel. Find the maximum compression of the springs, and the load if the wagon is travelling at 110 kmph.A circular steel rod has a diameter of 50 mm. It touches the unyielding supports at point A and B when ?1 = 80 °C. Find the applied force P to the collar at its midsection so that, when ?2 =30 °C, the reaction at B is zero. Use E st = 200 GPa and the coefficient of linear expansion of steel is at 12 x 10^-6 m/m C.
- the bent bar AB weighing 10lb/ft is mounted as shown in figure 2 upon a carriage weighing 250 lb. The center of gravity of the carriage is at C midway between the wheels. If P=108lb and there is no frictional resistance at the wheels, find the wheel reaction R1. find the vertical component of the hinge force at A. find the horizontal concept of the hinge force at A.The figure illustrates a torsion-bar spring OA having a diameter d = 12 mm. The actuating cantilever AB also has d = 12 mm. Both parts are of carbon steel. Use Castigliano’s theorem and find the spring rake k corresponding to a force F acting at B.CDEFGH is plate with a circular hole in it and has a unit weight p = 2 kN/m². If the initial length of the spring is 1m, find the stretched length of the spring attached at C to the given system. The stiffness of the spring id k-50 kN/m. p H 0 2 m Lütfen birini seçin: D A. 1.6019 m B. 1.8258 m C. 2.0480 m D. 2.2694 m E. 1.3727 m F. None of the above X 2 m 2 m G 2 m F E 3m 1m
- Solve it correctly.(1) W = 60 16 3 ft plez - 1 ft cordy 2 ft C крые AB= CD= 6 ft Xx 1.5 ft A block of weight W = 6016 is suspended from an arrangement of two poles (connected at A) and a cord (also connecting at A), as shown. Find the (mag of the tension in cord AC. Hint: The fules can treated like cords but their "tensions". be. will end. up being negative (i.e., compressive).1. A helical compression spring is made of hard-drawn spring steel wire with a wire diameter d = 0.080 in and an outer coil diameter OD = 0.880 in. The ends are plain and ground, and there are 8 total coils. Determine the force F, required to close the spring, the spring constant k, the free length of this spring corresponding to n, = 1.2, and the pitch p.
- O A hollow circular shaft of inner radius 10 mm outer radius 20 mm and length 1 m is to be used as a torsional spring. If the shear modulus of the material of the shaft is 150 GPa, the torsional stiffness of the shaft (in kN-m/rad) is (correct to two decimal places).A close-coiled helical spring is made of a wire of diameter 20 mm. The mean radius of the coils is 100 mm. Find the number of turns required and the maximum axial load permissible if the shear stress is not to exceed 100 MPa and the maximum elongation is limited to 40 mm. G = 83 GPa.A 27‑kg sing is attached to the right end of a horizontal beam (the beam's mass m = 7.7 kg). The left end of the beam is mounted into a wall and it's right end is supported by a string which makes an angle θ = 32° with the beam, see the picture below. Find the magnitude of the tension in the string. 1. The tension in the string, T Find the reaction force exerted by the wall on the beam. 2. The x component of the wall's reaction force, Rx = 3. The y component of the wall's reaction force, Ry =