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In rock climbing, various rope and pulley systems have been devised to help haul up heavy loads, including injured climbers. A rescuer is hauling up an injured climber who weighs 570 NN using the rope and pulley system shown in (Figure 1). (The ropes in this figure are drawn at various angles for clarity, but you can assume they're all vertical.) What is the tension in rope 1, the rope that the rescuer pulls on? What is the tension in rope 2?

In rock climbing, various rope and pulley systems have been devised to help haul up heavy loads, including injured climbers. A rescuer is hauling up an injured climber who weighs 570 NN using the rope and pulley system shown in (Figure 1). (The ropes in this figure are drawn at various angles for clarity, but you can assume they're all vertical.) What is the tension in rope 1, the rope that the rescuer pulls on? What is the tension in rope 2?

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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In rock climbing, various rope and pulley systems have been devised to help haul up heavy loads, including injured climbers. A rescuer is hauling up an injured climber who weighs 570 NN using the rope and pulley system shown in (Figure 1). (The ropes in this figure are drawn at various angles for clarity, but you can assume they're all vertical.)

What is the tension in rope 1, the rope that the rescuer pulls on?

What is the tension in rope 2?

This image illustrates a pulley system designed to demonstrate the principles of mechanical advantage. **Description of the Pulley System:** 1. **Pulley Arrangement:** - The system consists of two pulleys. The top pulley is attached to a fixed surface, and the lower pulley is part of a moveable block. 2. **Ropes:** - Two sections of rope are labeled: - Section 1 is the rope directly connected to the movable pulley, which the person is holding to lift the load. - Section 2 extends from the top of the fixed pulley, loops around the movable pulley, and supports the load. 3. **Load:** - A basket or platform is attached to the moveable pulley block. It represents the load being lifted by the person pulling on rope section 1. 4. **Person:** - The individual is pulling downward on the rope labeled as 1 to raise the load. This demonstrates the effort applied to lift the weight using the pulley system. **Concept Explanation:** This setup is a type of compound pulley system often called a block and tackle. The purpose of such a system is to reduce the force needed to lift a heavy object. By using multiple pulleys and lengths of rope, the mechanical advantage is increased, meaning less force is required to lift the load. The system effectively distributes the weight of the load across multiple sections of rope, making it easier to lift. This illustrates the principle of mechanical advantage in physics.
Transcribed Image Text:This image illustrates a pulley system designed to demonstrate the principles of mechanical advantage. **Description of the Pulley System:** 1. **Pulley Arrangement:** - The system consists of two pulleys. The top pulley is attached to a fixed surface, and the lower pulley is part of a moveable block. 2. **Ropes:** - Two sections of rope are labeled: - Section 1 is the rope directly connected to the movable pulley, which the person is holding to lift the load. - Section 2 extends from the top of the fixed pulley, loops around the movable pulley, and supports the load. 3. **Load:** - A basket or platform is attached to the moveable pulley block. It represents the load being lifted by the person pulling on rope section 1. 4. **Person:** - The individual is pulling downward on the rope labeled as 1 to raise the load. This demonstrates the effort applied to lift the weight using the pulley system. **Concept Explanation:** This setup is a type of compound pulley system often called a block and tackle. The purpose of such a system is to reduce the force needed to lift a heavy object. By using multiple pulleys and lengths of rope, the mechanical advantage is increased, meaning less force is required to lift the load. The system effectively distributes the weight of the load across multiple sections of rope, making it easier to lift. This illustrates the principle of mechanical advantage in physics.
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