A uniform ladder of mass m and length leans at an angle against a frictionless wall, see the figure (Figure 1). If the coefficient of static friction between the ladder and the ground is μs, determine a formula for the minimum angle at which the ladder will not slip. Express your answer in terms of the variables m, 1,μs, and appropriate constants. Figure 1 of 1 Ε ΑΣΦ Omin = Submit Request Answer < Return to Assignment Provide Feedback ?
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- The 500-kg cylinder shown is supported by the set-up shown. Neglecting the weight of the bar, determine the tension in the cable BC. Assume all contact surfaces to be smooth. Express your answers in NewtonsFrom the step ladder shown in the figure, sides AC and CE are each 2.44 m long and hinged at point C. Bar BD is a tie-rod 0.762 m long, halfway up. A man weighing 845 N climbs 1.8 m along the ladder. Assuming the floor is frictionless and neglecting the mass of the ladder, find the tension (in N) in the tie-rod.The 20kg flowerpot is supported at A by the three cords.(a) Determine the magnitude of the force acting in cord AB for equilibrium. (Express your answer using three significant figures and in N)(b) Determine the magnitude of force acting in cord AC for equilibrium. (Express your answer using three significant figures and in N)(c) Determine the magnitude of force acting in cord AD for equilibrium. (Express your answer using three significant figures and in N)
- A uniform beam of weight 12 N and length 10 m is mounted by a small hinge on a wall. The beam is held in a horizontal position by a vertical rope at the locaton as shown. What is the magnitude of the tension force in the rope, in Newtons? Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement. 6.0 mSuppose the hand in (Figure 1) holds an 8.9 kg mass. The total mass of the arm is 3.3 kg. What force, FM, is required of the deltoid muscle, assuming the mass is 48 cm from the shoulder joint? Express your answer to two significant figures and include the appropriate units.A shelf bracket is mounted on a vertical wall by a single screw. S S2 S1 Neglecting the weight of the bracket, and if s = 6.4 cm, s1 the horizontal force component exerted on the bracket by the screw when a 95.2 N vertical force is applied as shown. Imagine that the bracket is slightly loose. 5.4 cm and s2 = 2.2 cm, find =
- A uniform box weighing 350 lb sits on an inclined plane. A force P of 250 lb is applied parallel to the plane as shown. If the plane is inclined 35° to the horizontal, is the box in equilibrium? will it slip or tip? Note that u, = 0.5. Provide Given, Find, Assumptions, Problem Type/Features, an FBD, Calculations, and Conclusions in your solution. 2 ft 3 ft 2 ft 35A uniform beam of weight 12 N and length 10 m is mounted by a small hinge on a wall. The beam is held in a horizontal position by a vertical rope at the location as shown. What is the magnitude of the tension force in the rope, in Newtons? Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement. 6.0 m2.30 m long and has a mass m = 15.0 kg. It leans at rest against a smooth wall making an angle 0 = 29.0° with the wall as shown on the left. The coefficient of static friction between the floor and the ladder is u, = 0.675, while the coefficient of kinetic friction is u, = 0.439. What is the 2. A ladder is L force between the wall and the ladder? Hsi Hk
- A uniform beam of weight 58 N and length 6.0 m is mounted by a small hinge on a wall at it left end. The beam is held in a horizontal position by a vertical rope at the location as shown. What is the magnitude of the tension force in the rope, in Newtons? Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement.Consider a rigid steel beam of length L = 14 m and mass mb = 405 kg resting on two supports, one at each end. A worker of mass mw = 68 kg sits on the beam at a distance x from support A. Refer to the figure, though note that it is not drawn to scale. a. When the worker sits at a distance x = 7.5 m from support A, calculate the force, in newtons, that support B must exert on the beam in order for it to remain at rest. Use g with three significant figures. b. The force exerted on the beam by support A is measured and found to be FA = 2240 N. At what distance x, in meters, from support A is the worker sitting now?COMPUTE THE: 1. the tension in cable BD the components of the supportAt C. 2. the resultant using cosine law(force polygon) the angle of the R measuredCW from the x – axis.