the force and moment reactions at O.
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- The cable AOB weighs 5.2 N/m. When the horizontal 30-N force is applied to the roller support at B, the sag in the cable is 5 m. Find the span L of the cable./K roller of weight 500 N rests on a smooth inclined plane and is kept free from rolling down by a string as shown contact B. Work out tension in the string and reaction at the point of Roller 15° C B W 45°F T₁ 36" x round off to two (2) decimal places numeric answer only, do not include units 32" A. B 24" 36" 24" D - T₂ 18" -y E Turnbuckle T1 is tightened to a tension of 229 lb and turnbuckle T2 is tightened to 123 lb. Determine the force and moment reactions at the built-in support O. Neglect the weight of the structure. Magnitude of the Force reaction at O (in lb)
- H.W The 500 Ncrate is hoisted using the ropes AB and AC rope can withstand a maximum tension of 2500 N before it breaks If AB always remains horizontal. determine the smallest angle # and the force AB cर A B V/1The 570-kg uniform beam is subjected to the three external loads shown. Compute the reactions at the support point O. The x-y plane is vertical. Positive values are to the right, up, and counterclockwise. y I 1 1 40 17 kN.m B 3.5 kN A --x 0 1.3 m Answers: i i Mo i 2.3 KN 1.9 m KN KN 1.9 m kN-m сk-i The tongs are used to grip the ends of the drilling pipe P. If a torque (moment) of Mp = 900 lb· ft is needed at point P to turn the pipe, determine the cable force F that must be applied to the tongs. Set 0 = 40°. (1 ft = 12 in.) 6 in. Mp 43 in. For question (Q2) above, if 0 = 80°, what do you think the cable force will be? (Circle one) A) increased B) decreased C) still the same! 6 in. Mp 43 in.
- Q6: Determine the magnitude of the force 60 N supported by the pin at C of the loaded frame. 02 m 0.3 m 0.2 m -0.2 m 0.2 mThe 400-kg uniform beam is subjected to the three external loads shown. Compute the reactions at the support point O. The x-y plane is vertical. Positive values are to the right, up, and counterclockwise. 0 Answers: "I 1.3 m Oy= Mo= i Mi M A 1.8 KN 2.0 m 38 kN.m B kN kN 2.0 m kN.m O 38 C 3.7 kN xBoom OAB is supported by a ball and socket at point O and two cables AC and AD. Determine the forces supported by the two cables and the support reactions at O if P = 520 kN. 3m C 5m 3m 9m 5m i 6m B. 4m 12m 6m 5m
- The uniform 10 kg rod AB is supported by a ball and socket joint at A and by the cord CG that is attached to the midpoint G of the rod. Knowing that the rod leans against a frictionless vertical wall at B and that the tension in the cord CG, TCG=52.1 N, determine the following, Which of the following best approximates the moment of the tension in cord CG, TCG about the x axis? Choices: -11.03 N-m5.52 N-m29.4 N-m-7.36 N-mQ2: Determine the reactions of fixed support at A 15 kN 15 kN 8 kN/m 4 kN/m 60 3 m 3 mQ2/ 4 m 9.5m G, a) The tower crane is used to hoist a 2Mg load upward G E 7.5 m -12.5 m- at constant velocity. The 1.5-Mg jib BD and 0.5Mg jib BC have centers of mass at G1 and G2, respectively. Determine the required mass of the counterweight C so that the resultant moment produced by the load and 23 m the weight of the tower crane jibs about point A is zero. The center of mass for the counterweight is located at G3? 300 N 250 N b) Replace the loading on the frame by a single 1 m2 m- -3 m B resultant force. Specify where its line of action intersects member AB, measured from A? 2 m 400 N-m 60° 3 m 500 N