Imagine a meter stick set up as in the figure (in the video above). It hangs from a central bracket, and two hanging masses can hang from it from each of their brackets. At a third location, a force probe can either pull up or pull down on the stick, depending on what is needed to balance the stick. The mass of the meter stick is 120 g. sketch the situation (drawing r1, r2, r3, F1, F2, and F3) and determine the magnitude (value) and direction (+ or -) of each torque. Remember that the x value given in the table is the position of the hanging mass, but that might be different from the r value you need to use. Don't include the mass of a bracket that would hold the hanging mass in place; assume the mass listed is the entire mass hanging at that point.

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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Imagine a meter stick set up as in the figure (in the video above). It hangs from a central bracket, and two hanging masses can hang from it from each of their brackets. At a third location, a force probe can either pull up or pull down on the stick, depending on what is needed to balance the stick.

The mass of the meter stick is 120 g.

sketch the situation (drawing r1r2r3F1F2, and F3) and determine the magnitude (value) and direction (+ or -) of each torque. Remember that the x value given in the table is the position of the hanging mass, but that might be different from the r value you need to use. Don't include the mass of a bracket that would hold the hanging mass in place; assume the mass listed is the entire mass hanging at that point.

3
200
Trial
Transcribed Image Text: 3 200 20 50 80 70 50 2.08 2.31
20
m₁ (g)
X₁ (cm)
50
m₂ (g)
80
x₂ (cm)
70
X3 (cm)
50
fulcrum location (cm)
2.08
Minimum
measured F3 (N)
2.31
Maximum
measured F3 (N)
Transcribed Image Text:3 200 Trial Transcribed Image Text: 3 200 20 50 80 70 50 2.08 2.31 20 m₁ (g) X₁ (cm) 50 m₂ (g) 80 x₂ (cm) 70 X3 (cm) 50 fulcrum location (cm) 2.08 Minimum measured F3 (N) 2.31 Maximum measured F3 (N)
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