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•• P13 An elevator is accelerating upward at a rate of 3.2 m/s². A block of mass 30 kg hangs by a low-mass rope from the ceiling, and another block of mass 80 kg hangs by a low-mass rope from the upper block. (a) What are the tensions in the upper and lower ropes? (b) What are the tensions in the upper and lower ropes when the elevator accelerates downward at a rate of 3.2 m/s?

•• P13 An elevator is accelerating upward at a rate of 3.2 m/s². A block of mass 30 kg hangs by a low-mass rope from the ceiling, and another block of mass 80 kg hangs by a low-mass rope from the upper block. (a) What are the tensions in the upper and lower ropes? (b) What are the tensions in the upper and lower ropes when the elevator accelerates downward at a rate of 3.2 m/s?

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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**Problem P13: Elevator and Rope Tension Analysis** An elevator is accelerating upward at a rate of \(3.2 \, \text{m/s}^2\). A block of mass \(30 \, \text{kg}\) hangs by a low-mass rope from the ceiling, and another block of mass \(80 \, \text{kg}\) hangs by a low-mass rope from the upper block. **(a)** What are the tensions in the upper and lower ropes? **(b)** What are the tensions in the upper and lower ropes when the elevator accelerates downward at a rate of \(3.2 \, \text{m/s}^2\)? *Explanation:* - The problem involves understanding the forces acting on two blocks hanging in an accelerating system (the elevator). - It requires calculating the tensions in the ropes based on different acceleration directions of the elevator.
Transcribed Image Text:**Problem P13: Elevator and Rope Tension Analysis** An elevator is accelerating upward at a rate of \(3.2 \, \text{m/s}^2\). A block of mass \(30 \, \text{kg}\) hangs by a low-mass rope from the ceiling, and another block of mass \(80 \, \text{kg}\) hangs by a low-mass rope from the upper block. **(a)** What are the tensions in the upper and lower ropes? **(b)** What are the tensions in the upper and lower ropes when the elevator accelerates downward at a rate of \(3.2 \, \text{m/s}^2\)? *Explanation:* - The problem involves understanding the forces acting on two blocks hanging in an accelerating system (the elevator). - It requires calculating the tensions in the ropes based on different acceleration directions of the elevator.
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