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. Use the principle of equilibrium (where the sum of torques is zero) to calculate the third, unknown force acting at x3 (what is m3)?
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. Use the principle of equilibrium (where the sum of torques is zero) to calculate the third, unknown force acting at x3 (what is m3)?
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.
Use the principle of equilibrium (where the sum of torques is zero) to calculate the third, unknown force acting at x3 (what is m3)?
Transcribed Image Text:Trial
m₁ (g)
3
X₁ (cm)
200
m₂ (g)
Transcribed Image Text: Trial m₁ (g) X₁ (cm) m₂ (g) X2 (cm) X3 (cm) fulcrum location (cm) Minimum measured F3 (N) Maximum measured F3 (N)
20
x₂ (cm)
50
X3 (cm)
80
70
fulcrum location (cm)
50
Minimum
measured F3 (N)
2.08
Maximum
measured F3 (N)
2.31
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