As shown in the figure below, a uniform beam is supported by a cable at one end and the force of friction at the other end. The cable makes an angle of 0 = 30°, the length of the beam isL = 4.50 m, the coefficient of static friction between the wall and the beam is ue = 0.460, and the weight of the beam is represented by w. Determine the minimum distance x from point A at which an additional weight 2w (twice the weight of the rod) can be hung without causing the rod to slip at point A. x = 3,74 2w
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- Hi I needed help with this question. As shown in the figure below, a uniform beam is supported by a cable at one end and the force of friction at the other end. The cable makes an angle of ? = 30°, the length of the beam is L = 2.00 m, the coefficient of static friction between the wall and the beam is ?s = 0.600 and the weight of the beam is represented by w. Determine the minimum distance x from point A at which an additional weight 2w (twice the weight of the rod) can be hung without causing the rod to slip at point A. X=?Chapter 12, Problem 028 GO In the figure, suppose the length L of the uniform bar is 2.7 m and its weight is 220 N. Also, let the block's weight W = 280 N and the angle 0 = 27°. The wire can withstand a maximum tension of 440 N. (a) What is the maximum possible distance x before the wire breaks? With the block placed at this maximum x, what are the (b) horizontal and (c) vertical components of the force on the bar from the hinge at A? com A (a) Number Units (b) Number Units (c) Number Units Click if you would like to Show Work for this question: Open Show WorkA worker is using a 4.0 m long steel bar as a lever to raise one side of a car off the road. The fulcrum is a large block of wood. The magnitude of the load force is $200 N. If the load arm is 0.40 m, calculate the magnitude of the effort force required to balance the load.
- The figure shows a horizontal beam of mass M = 22 kg and length L = 3.9 m supported at its left end by a frictionless pin and at the other end by an ideal cable attached to wall h = 1.6 m above the beam. A mass m = 9.7 kg is suspended from the beam a distance d = 1.6 m from the wall. Find the magnitude R of the "reaction force" exerted by the pin on the beam. h R = -d- m M L NAn athlete strengthens her leg and knee by doing "leg curls." While sitting on a bench with the leg initially bent at the knee, she supports a weight with the foot. She then slowly raises the foot and lower leg, with the upper leg held stationary. Find the tension in the quadriceps tendon for the position shown in the figure below. (Let w = 225 N, D = 44 cm and d = 5.5 cm.) Please help thank youA 400.0-N sign hangs from the end of a uniform strut. The strut is 4.0 m long and weighs 600.0 N. The strut is supported by a hinge at the wall and by a cable whose other end is tied to the wall at a point 3.0 m above the left end of the strut. (a) What is the y component of the tension in the rope? (b) What is the x component of the tension in the rope? (c) What is the magnitude of the tension in the rope? (a) y component of the tension: Ty = (b) x component of the tension: Tx = (c) What is the magnitude of the tension in the rope?
- Please help meA uniform tabletop with a mass of 415kg has a length of 2.50m. A 775kg box is placed 0.800m from one side of the table and a 265kg box is placed 1.80m from the same side of the table. What are the forces from the table legs on the tabletop?3m 5m A B 4m Figure 2 4. A thin horizontal beam of negligible mass is hinged at one end A and supported at the other end B by a string, shown in Figure 2. The string can withstand a maximum tension of 30 N. A possum of mass m = 3 kg walks out along the beam. How far along the beam can the possum go before the string breaks?
- A house painter is standing on a uniform, horizontal platform that isheld in equilibrium by two cables attached to supports on the roof.The painter has a mass of 75.0 kg and the mass of the platform is 20.0kg. The distance from the left end of the platform to where the painteris standing is d = 2.00 m and the total length of the platform is 5.0 m.(a) How large is the force exerted by the left hand cable? (b) Howlarge is the force exerted by the right hand cable? [Hint: You can placeyour axis in any convenient location if the object is not rotating.]You build a shelf by putting a 0.90 m board across two supports. One support is at the left end of the board and the other is 0.10 m from the right end. The board has a mass of 1.25 kg and you place a potted plant with a mass of 3.40 kg, 0.65 m from the left end of the board.A painter leans a ladder against a wall at an angle of 60˚ to the ground. (Assume the ladder is uniform and the center of mass of the ladder is located at the middle of the ladder.) The ladder is 3.00m long and has a mass of 10.0kg. The person has a mass of 90.0kg. How far up the ladder can the painter climb before it slips if the coefficient of friction is 0.45?