J 3 Set P1 = P2 = 2 kN Determine the force in each member of the truss. Show all necessary Free Body Diagrams.
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- You are working in an ice skating rink and have been asked to hang a new banner on the wall. Your friend is helping you so that the ladder does not collapse by exerting a force F_AL at an angle ϕ relative to the horizontal. The ladder has a length L and makes an angle of θ with respect to the vertical wall. You have a mass, m_Y, and are a horizontal distance x from the wall. The ladder has a mass of m_L. Because the wall is slick, and the ice on the floor is slick, the frictional forces acting on the ladder are negligible. Find a formula for the magnitude of the force that your friend must exert to keep the ladder from falling, in terms of the following variables: x,L,m_Y,m_L,θ,ϕ. Then use the following values to get a number for the magnitude of F_AL. θ = 30.3 degrees ϕ = 23.028 degrees x = 1.491 meters L = 7.1 meters m_Y = 86.0 kg m_L = 42.14 kg Find the magnitudes of: F_AL, normal force of the wall on the ladder (N_WL), and normal force of the floor on the ladder (N_FL).A traffic light hangs from a pole as shown in the figure ( Figure 1). The uniform aluminum pole AB is 7.40 m long and has a mass of 11.0 kg. The mass of the traffic light is 23.0 kg. Determine the tension in the horizontal massless cable CD. Figure 3.80 m C 37° A T = 距 ΑΣΦ Submit Request Answer Part B ? N Determine the vertical component of the force exerted by the pivot A on the aluminum pole. ΜΕ ΑΣΦ 1 of 1 Fp,vertical = B Submit Request Answer 000 Part C ? N Determine the horizontal component of the force exerted by the pivot A on the aluminum pole. Fp,horizontal= ΜΕ ΑΣΦ ? NL GAS A 48.0 kg sign hangs at the end of a bar where L = 3.10 meters in length. A cable attaches to the end of the horizontal bar and to a wall 2.60 meters above where the bar is attached to the wall. The bar has a mass of 12-kg. What is the tension in the cable? Give your answer in Newtons to 3 significant figures (no decimal places in this case).
- The uniform boom shown below weighs 3000 N. It is supported by the horizontal guy wire and by the hinged support at point A. What are the forces on the boom due to the wire and due to the support at A? Does the force at A act along the boom?Figure for Question # 18. Y 18. A uniform plank is supported by two equal 120-N forces at X and Y, as shown. The support at X is then moved to Z (half-way to the plank center). The supporting forces at Y and Z are then: * O A. F_Y=240 N, F_Z=120 N O B. F_Y=200 N, F_Z=40 N O C. F.Y=40 N, F_Z=200 N O D. F_Y=80 N, F_Z=160 N O E. F_Y=160 N, F_Z=80 NIn the figure, a horizontal scaffold, of length 2.26 m and uniform mass 59.9 kg, is suspended from a building by two cables. The scaffold has dozens of paint cans stacked on it at various points. The total mass of the paint cans in 79.9 kg. The tension in the cable at the right is 739 N. How far horizontally from that cable is the center of mass of the system of paint cans? Number i Units m
- a. A 1200-N uniform boom of length 2.00 m is supported by a cable, as shown in the figure. The boom is pivoted at the bottom, and a 2000-N weight hands from its top. Find the tension in the cable and the components of the reaction force exerted on the boom by the floor. For the next two parts you can assume that the 2000-N weight is concentrated at the top end of the boom. b. Determine the total moment of inertia of the boom/weight system around the pivot point. c. The cable now breaks, and the boom pivots until the right end hits the floor. Determine the velocity of the right end at the instant before it hits the floor.The uniform diving board has a mass of 26 kg. Find the force on the support A when a 69 kg diver stands at the end of the diving board. E 09 m + 3.6 m APlease answer the question in the picture below. Thank you so much for your help!!
- Part C - The z Component of the Center of Gravity of All the Components - 0.550 m, and z3 = 0.200 m, determine the z If the heights of the components are given as z1 = 2.00 m, 22 = component of the center of gravity of all the components. Express your answer to three significant figures and include the appropriate units. • View Available Hint(s) HA ? Value Units = Z SubmitI need help with all the parts.PRO BLEM 2: A TRICKY STRUT An orange strut of length l is connected to a wall via a pi vot at the bottom. An additional (blue rope) also connec ts the strut to the wall attached at an angle 01. A load of weight W is hanging from the strut; the load makes an angle 02 with the strut as shown in the diagram. In order to stabilize the system, and additional force needs to be applied. That force, which is labeled C in the diagram, makes an angle p with respect to the strut as shown. What is o?