A uniform 1200 N beam that is 3.50 m long is suspended horizontally by two vertical wires at its ends. A small but dense 550 N weight is placed on the beam 2.00 m from one end, as shown in the figure. The tensions, A and B, in the two wires are: OA 8190 N, B = 8960 N = OA 836 N, B = 914 N OA 875 N, B = 875 N = OA 914 N, B = 836 N OA=8960 N, B = 8190 N B 2.00 m 3.50 m
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- The guy wires AB and AC are attached to the top of the transmission tower. The tension in cable AB is 8.6 kN. Determine the required tension Tin cable AC such that the net effect of the two cables is a downward force at point A. Determine the magnitude R of this downward force. Assume a = 45m, b = 56 m, c= 26 m, and d=32 m Answers: i Ri KN kNThe guy wires AB and AC are attached to the top of the transmission tower. The tension in cable AB is 9.1 kN. Determine the required tension Tin cable AC such that the net effect of the two cables is a downward force at point A. Determine the magnitude R of this downward force. Assume a = 30 m, b = 40 m, c = 28 m, and d = 36 m. d B Answers: T= i 8 R= a b KN KNThe uniform beam has a mass of 46 kg per meter of length. Determine the reactions at the supports. Answers: Ay A Bx = By = 659 i 1500 2.5 m N N ! N 1.1 m 220 kg B
- The guy wires AB and AC are attached to the top of the transmission tower. The tension in cable AB is 9.1 kN. Determine the required tension Tin cable AC such that the net effect of the two cables is a downward force at point A. Determine the magnitude R of this downward force. Assume a = 38 m, b = 49 m, c = 21 m, and d = 32 m. İyi Answers: T= i R= i KN KNA uniform 1200-N piece of medical apparatus that is 3.5 m long is suspended horizontally by two vertical wires at its ends. A small but dense 550-N weight is placed on the apparatus 2.0 m from one end, as shown in the figure. What are the tensions, A and B, in the two wires? A B 2.0 m 3.5m O A = 910 N, B = 840 N O A= 840 N, B=910N OA= 8200 N, B=9000N O A= 9000 N, B-8200 N /The 6.8-kg frame AC and 2.8-kg uniform slender bar AB of length lslide with negligible friction along the fixed horizontal rod under the action of the 75-N force. Calculate the tension Tin wire BC and the magnitude FA of the force exerted on the bar by the pin at A. The x-y plane is vertical. 75 N 52° 52 B Answers: T = ! N FA = ! N lle
- The cable AB prevents bar OA from rotating clockwise about the pivot O. If the cable tension is 820 N, determine the n- and t- components of this force acting on point A of the bar. A 2.0 m B Answers: Tn= i Tt= i 1.6 m 74° N N26A traffic light hangs from a pole as shown in the figure below. The uniform aluminum pole AB is 6.50 m long and has a mass of 14.0 kg. The mass of the traffic light is 20.0 kg. Determine the vertical and horizontal components of the force exerted by the pivot A on the aluminum pole. 37 3.80 m Q 150 N, 300 N O 220 N, 347 N Q 362 N, 333 N ( 410 N,328 N Q 200 N, 400 N A OOD
- The guy wires AB and AC are attached to the top of the transmission tower. The tension in cable AB is 10.0 kN. Determine the required tension Tin cable AC such that the net effect of the two cables is a downward force at point A. Determine the magnitude R of this downward force. Assume a = 50 m, b = 56 m, c = 37 m, and d = 42 m. B Answers: T= R= i Mi a A b ! KN ME KN8₁ 02 9. The diagram of the leg shows the femur (1) and tibia (2). The quadriceps muscle (3) applies a force to the lower leg via a tendon (4) that is embedded with the kneecap (5). If the force applied by the muscle to the tendon is F 570 N, what is the force of the femur on the kneecap, if the leg is in equilibrium? A simplified model of the leg is shown next to the diagram. The leg bones are represented by two beams attached by a pin. The tendon is modelled by a rope and the kneecap acts like a pulley. The tendon above the kneecap makes an angle 8, = 38° with respect to the vertical, and the portion of the tendon below the kneecap makes an angle of 6₂ = 10° with respect to the vertical. Enter the x component, followed by the y component. Answer 1 of 2: Answer 2 of 2: Submit All AnswersA hungry bear weighing 730 N walks out on a beam in an attempt to retrieve a basket of goodies hanging at the end of the beam (see the figure below). The beam is uniform, weighs 200 N, and is 7.00 m long, and it is supported by a wire at an angle of θ = 60.0°. The basket weighs 80.0 N. A horizontal plank is attached at the left end to a vertical wall. A rod with a pulley at the right end extends a distance x horizontally to the right from the wall above the plank. A cable connected to the wall just above the rod goes around the pulley then down and right to the end of the plank, making an acute angle θ with the plank. A basket of goodies hangs down from the right end of the plank and a bear stands on the plank below the rod a distance x from the wall. (a) Draw a force diagram for the beam. (Submit a file with a maximum size of 1 MB.) This answer has not been graded yet. (b) When the bear is at x = 1.10 m, find the tension in the wire supporting the beam. NWhen the bear is at x…