7. Hanging around: Consider two identical metersticks tied together with a loose piece of string attached to their ends. If you hold one stick horizontal, the other dangles vertically. You place your finger at an appropriate location beneath the horizontal stick so the two sticks will balance. a. Calculate the exact position along the horizontal stick where you should place your finger so the metersticks will balance. b. If you did the same with one horizontal meterstick and two vertical metersticks dangling from its one end, where would you place your finger to balance the system?

College Physics
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Author:Raymond A. Serway, Chris Vuille
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Chapter8: Rotational Equilibrium And Rotational Dynamics
Section: Chapter Questions
Problem 23P
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7. Hanging around: Consider two identical metersticks tied together with a loose piece of
string attached to their ends. If you hold one stick horizontal, the other dangles vertically.
You place your finger at an appropriate location beneath the horizontal stick so the two
sticks will balance.
a. Calculate the exact position along the horizontal stick where you should place your
finger so the metersticks will balance.
b. If you did the same with one horizontal meterstick and two vertical metersticks
dangling from its one end, where would you place your finger to balance the
system?
Transcribed Image Text:7. Hanging around: Consider two identical metersticks tied together with a loose piece of string attached to their ends. If you hold one stick horizontal, the other dangles vertically. You place your finger at an appropriate location beneath the horizontal stick so the two sticks will balance. a. Calculate the exact position along the horizontal stick where you should place your finger so the metersticks will balance. b. If you did the same with one horizontal meterstick and two vertical metersticks dangling from its one end, where would you place your finger to balance the system?
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