Two ladders, 4.00 m and 3.00 m long, are hinged at point A and tied together...

 

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Two ladders, 4.00 m and 3.00 m long, are hinged at point A and tied together by a horizontal rope 0.90 m above the floor (Figure 1). The ladders weigh 480 N and 360 N, respectively, and the center of gravity of each is at its center. Assume that the floor is freshly waxed and frictionless. Figure 4.00 m A 0.90 m 3.00 m 1 of 1 E Part A Find the upward force at the bottom of the left ladder. Express your answer with the appropriate units. FL = Value Submit Request Answer ? Units > 14 of 15 Review | Constants Part B Find the upward force at the bottom of the right ladder. Express your answer with the appropriate units. H FR= Value Units ? Submit Request Answer Part C Find the tension in the rope. Express your answer with the appropriate units. H Units T= Value Submit Request Answer ? Part D Find the magnitude of the force one ladder exerts on the other at point A. Express your answer with the appropriate units. H F= Value Units Submit Request Answer ? Part E If an 800 N painter stands at point A, find the tension in the horizontal rope. Express your answer with the appropriate units. ? T = Value Units Submit Request Answer Part A > 15 of 15 Review | Constants The angle of the conveyor is slowly increased. At some critical angle a bale will tip (if it doesn't slip first), and at some different critical angle it will slip (if it doesn't tip first). Find the critical angle when a bale will tip. Express your answer in degrees. ? tip Submit Request Answer Part B Find the critical angle when a bale will slip. Express your answer in degrees. slip = Submit Request Answer ? Part C Would the outcome of part A be different if the coefficient of friction were 0.40? yes Submit Request Answer Part D Would the outcome of part B be different if the coefficient of friction were 0.40? yes no Submit Request Answer Two ladders, 4.00 m and 3.00 m long, are hinged at point A and tied together by a horizontal rope 0.90 m above the floor (Figure 1). The ladders weigh 480 N and 360 N, respectively, and the center of gravity of each is at its center. Assume that the floor is freshly waxed and frictionless. Figure 4.00 m A 0.90 m 3.00 m 1 of 1 E Part A Find the upward force at the bottom of the left ladder. Express your answer with the appropriate units. FL = Value Submit Request Answer ? Units > 14 of 15 Review | Constants Part B Find the upward force at the bottom of the right ladder. Express your answer with the appropriate units. H FR= Value Units ? Submit Request Answer Part C Find the tension in the rope. Express your answer with the appropriate units. H Units T= Value Submit Request Answer ? Part D Find the magnitude of the force one ladder exerts on the other at point A. Express your answer with the appropriate units. H F= Value Units Submit Request Answer ? Part E If an 800 N painter stands at point A, find the tension in the horizontal rope. Express your answer with the appropriate units. ? T = Value Units Submit Request Answer Part A > 15 of 15 Review | Constants The angle of the conveyor is slowly increased. At some critical angle a bale will tip (if it doesn't slip first), and at some different critical angle it will slip (if it doesn't tip first). Find the critical angle when a bale will tip. Express your answer in degrees. ? tip Submit Request Answer Part B Find the critical angle when a bale will slip. Express your answer in degrees. slip = Submit Request Answer ? Part C Would the outcome of part A be different if the coefficient of friction were 0.40? yes Submit Request Answer Part D Would the outcome of part B be different if the coefficient of friction were 0.40? yes no Submit Request Answer