:for the figure shown below, calculate the reactions at the point O 30° 15 kN-m 3 kN A B 1.4 kN F1.2 m-+ -1.8 m -1.8 m- Weight of the beam is 4905 N
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- A steel riser pipe hangs from a drill rig located offshore in deep water (see figure). (a) What is the greatest length (meters) it can have without breaking if the pipe is suspended in the air and the ultimate strength (or breaking strength) is 550 MPa? (b) If the same riser pipe hangs from a drill rig at sea, what is the greatest length? (Obtain the weight densities of steel and sea water from Table M, Appendix I. Neglect the effect of buoyant foam casings on the pipe.)A framework A BCD is acted on by force P at 2L/3 from 8(see figure). Assume that 7f/is constant. Find expressions for reactions at supports B and C. Find expressions for angles of rotation at A, B* C, and D. Find expressions for horizontal deflections èAand ôD. If length LAB= L i 2, find length LCDin terms of L for the absolute value of the ratio-4-4 A cantilever beam is supported at B by cable BC. The beam carries a uniform load q = 200 N/M. If the length of the beam is L = 3 m, find the force in the cable and the reactions at A. Ignore the axial flexibility of the cable.
- Two flat beams AB and CD, lying in horizontal planes, cross at right angles and jointly support a vertical load P at their midpoints (see figure). Before the load P is applied, the beams just touch each other. Both beams are made of the same material and have the same widths. Also, the ends of both beams are simply supported. The lengths of beams AB and CD are LABand LCD, respectively. What should be the ratio tABltCDof the thicknesses of the beams if all four reactions arc to be the same?A steel post (E=30×106) having thickness t = 1/8 in. and height L = 72 in. support a stop sign (see figure), where s = 12.5 in. The height of the post L is measured from the base to the centroid of the sign. The stop sign is subjected to wind pressure p = 20 lb/ft2 normal to its surface. Assume that the post is fixed at its base. What is the resultant load on the sign? (Sec Appendix E, Case 25, for properties of an octagon, n =8.) What is the maximum bending stress in the post? Repeat part (b) if the circular cut-outs arc eliminated over the height of the post.Question 1) in FIG loading condition is given beam F force F = 65 kN , first distributed load W 1 = 41 kN / m , w 2 distributed load w 2 = 51 kN / m , θ angle θ = 48 ° and L length of L = 5 m . According to this; Question 1-A) B at the point y direction ( B y ) Determine the support reactions. (Enter yourresultwithout writing kN units.) Question 1-B) to the point in y direction ( A y ) Determine the support reactions. ( Enter yourresult without writing kN units.) Question 1-C) to the point in x direction ( A x ) Determine the support reactions. ( Enter yourresult without writing kN units.)
- The load per foot of beam length varies as shown. For x = 18 ft, the unit load is 601 lb/ft. At x = 0, the load is increasing at the rate of 51 lb/ft per foot. Calculate the support reactions at A and B. The reactions are positive if upward, negative if downward. [Answer: RA = 2280 ft, RB = 4080 lb]A uniform, 7.5-m-long beam weighing 6490 N is hinged to a wall and supported by a thin cable attached 1.5 m from the free end of the beam. The cable runs between the beam and the wall and makes a 40° angle with the beam. What is the tension in the cable when the beam is at an angle of 30° above the horizontal?As shown in figure below, the intensity of loading on a simply supported beam10 ft long is given by ? = 10?3 where y in in lb/ft and x is in ft measured from A.Find the reactions at A and B.
- (a) In Fig. a6.00-m-long, uniform beam is hangingfrom a point 1.00 m to the rightof its center. The beam weighs 140 Nand makes an angle of 30.0° with thevertical. At the right-hand end of thebeam a 100.0 N weight is hung; anunknown weight w hangs at the leftend. If the system is in equilibrium,what is w? You can ignore the thicknessof the beam. (b) If the beammakes, instead, an angle of 45.0° withthe vertical, what is w?In the figure shown, the deflection of mercury is initially 250mm. If the pressure at a is increased by 40kPa, while maintaining the pressure at b constant, what will be the new mercury deflection?Calculate the support reactions for the cantilever beam below. With P = 3,3 kN a = 4,5 m