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A traffic light is hanging from two wires set at known angles. What is the magnitude of the tension in each wire? Set up this system based on the figure. Hang an object of known mass from the center of a meter-long string with loops on both ends for attaching the spring scale. It may be easier to tie a second shorter string to the center of the first string and tie the object to the short string. Hold the long string in such a way that two different angles, 9₁ and 92, are formed. It may be helpful to have an assistant, or tie one end of the string to a fixed obiect.

A traffic light is hanging from two wires set at known angles. What is the magnitude of the tension in each wire? Set up this system based on the figure. Hang an object of known mass from the center of a meter-long string with loops on both ends for attaching the spring scale. It may be easier to tie a second shorter string to the center of the first string and tie the object to the short string. Hold the long string in such a way that two different angles, 9₁ and 92, are formed. It may be helpful to have an assistant, or tie one end of the string to a fixed obiect.

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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Case 1 traffic light: Weight of hanging object: 370g Angle 1: 130 degrees Angle 2: 100 degrees Measured tension 1: 3.0 N Measured tension 2: 4.2 N Please answer with equations and calculations.
Case 1: Traffic Light A traffic light is hanging from two wires set at known angles. What is the magnitude of the tension in each wire? Set up this system based on the figure. Hang an object of known mass from the center of a meter-long string with loops on both ends for attaching the spring scale. It may be easier to tie a second shorter string to the center of the first string and tie the object to the short string. Hold the long string in such a way that two different angles, 8₁ and 92, are formed. It may be helpful to have an assistant, or tie one end of the string to a fixed object. Case 1 Example 1 An experimental example of the Traffic Light word problem. Record the mass or weight of the object and the two angles on the Report Sheet and solve for the two tensions. You can set the system down while you are doing this, or you can immediately measure the two tensions before doing the calculation. If you measure the tensions last, be sure to re-create the system with the exact same angles. Show All Carefully attach the spring scale to one end of the string by holding the loop with the hook, making sure that the two angles of the string have not changed. Record the tension, T₁, on the Report Sheet. Repeat this procedure for the other end of the string, recording the second tension, T₂, on the Report Sheet. Case 1 Example 2 An experimental example of the Traffic Light word problem with the spring scale attached. Compare the calculated tensions with the experimental values measured by the spring scale. Note: This system is only vector addition and does not require the calculation of torques. Show All
Transcribed Image Text:Case 1: Traffic Light A traffic light is hanging from two wires set at known angles. What is the magnitude of the tension in each wire? Set up this system based on the figure. Hang an object of known mass from the center of a meter-long string with loops on both ends for attaching the spring scale. It may be easier to tie a second shorter string to the center of the first string and tie the object to the short string. Hold the long string in such a way that two different angles, 8₁ and 92, are formed. It may be helpful to have an assistant, or tie one end of the string to a fixed object. Case 1 Example 1 An experimental example of the Traffic Light word problem. Record the mass or weight of the object and the two angles on the Report Sheet and solve for the two tensions. You can set the system down while you are doing this, or you can immediately measure the two tensions before doing the calculation. If you measure the tensions last, be sure to re-create the system with the exact same angles. Show All Carefully attach the spring scale to one end of the string by holding the loop with the hook, making sure that the two angles of the string have not changed. Record the tension, T₁, on the Report Sheet. Repeat this procedure for the other end of the string, recording the second tension, T₂, on the Report Sheet. Case 1 Example 2 An experimental example of the Traffic Light word problem with the spring scale attached. Compare the calculated tensions with the experimental values measured by the spring scale. Note: This system is only vector addition and does not require the calculation of torques. Show All
The three conditions of static equilibrium are: Lesson 12 Lab: Static Equilibrium ● ● Introduction ● Materials In words, the sum of all the forces acting in the x-direction is zero; the sum of all the forces acting in the y-direction is zero; and the sum of all the torques is zero. Introduction In this experiment, we will verify the static equilibrium conditions by re-creating three static equilibrium word problems. The choice of force magnitudes, points of application and angles will be a matter of personal choice. The goal is to calculate all forces for each system and compare the results to measured values. Data Collection... Statics Report Sheet (Download and print) A meter stick or yardstick A 5.0 N spring scale Case 1 Example 1 ΣF = 0 ΣF, = 0 ΣΤ = 0 ● String Three objects with masses between 100-500 grams A ruler and protractor Conclusions Materials Data Collection and Analysis Case 1: Traffic Light A traffic light is hanging from two wires set at known angles. What is the magnitude of the tension in each wire? Set up this system based on the figure. Hang an object of known mass from the center of a meter-long string with loops on both ends for attaching the spring scale. It may be easier to tie a second shorter string to the center of the first string and tie the object to the short string. Hold the long string in such a way that two different angles, 0₁ and 0₂, are formed. It may be helpful to have an assistant, or tie one end of the string to a fixed object. Show All
Transcribed Image Text:The three conditions of static equilibrium are: Lesson 12 Lab: Static Equilibrium ● ● Introduction ● Materials In words, the sum of all the forces acting in the x-direction is zero; the sum of all the forces acting in the y-direction is zero; and the sum of all the torques is zero. Introduction In this experiment, we will verify the static equilibrium conditions by re-creating three static equilibrium word problems. The choice of force magnitudes, points of application and angles will be a matter of personal choice. The goal is to calculate all forces for each system and compare the results to measured values. Data Collection... Statics Report Sheet (Download and print) A meter stick or yardstick A 5.0 N spring scale Case 1 Example 1 ΣF = 0 ΣF, = 0 ΣΤ = 0 ● String Three objects with masses between 100-500 grams A ruler and protractor Conclusions Materials Data Collection and Analysis Case 1: Traffic Light A traffic light is hanging from two wires set at known angles. What is the magnitude of the tension in each wire? Set up this system based on the figure. Hang an object of known mass from the center of a meter-long string with loops on both ends for attaching the spring scale. It may be easier to tie a second shorter string to the center of the first string and tie the object to the short string. Hold the long string in such a way that two different angles, 0₁ and 0₂, are formed. It may be helpful to have an assistant, or tie one end of the string to a fixed object. Show All
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