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Arigid, uniform, horizontal bar of mass m₁ and length L is supported by two identical massless strings. (Figure 1)Both strings are vertical. String A is attached at a distance d < L/2 from the left end of the bar and is connected to the ceiling; string B is attached to the left end of the bar and is connected to the floor. A A small block of mass m₂ is supported against gravity by the bar at a distance from the left end of the bar, as shown in the figure. Throughout this problem positive torque is that which spins an object counterclockwise. Use g for the magnitude of the free-fall acceleration gravity. ▸ Part B Part C ▾ Part D If the mass of the block is too large and the block is too close to the left end of the bar (near string B) then the horizontal bar may become unstable (i What is the smallest possible value of such that the bar remains stable (call it critical)? Express your answer for critical in terms of m₁, m₂, d, and L. ▸ View Available Hint(s) m₁ Feritical = ₂ (d-)+d Part E Previous Answers Note that critical, as computed in the previous part, is not necessarily positive. If critical <0, the bar will be stable no matter where the block of ma Assuming that m₂, d, and I are held fixed, what is the maximum block mass mmax for which the bar will always be stable? In other words, what is t Feritical ≤0? Answer in terms of m₂, d. and L. View Available Hint(s) Mua 15] ΑΣΦ 1 wa ?

Arigid, uniform, horizontal bar of mass m₁ and length L is supported by two identical massless strings. (Figure 1)Both strings are vertical. String A is attached at a distance d < L/2 from the left end of the bar and is connected to the ceiling; string B is attached to the left end of the bar and is connected to the floor. A A small block of mass m₂ is supported against gravity by the bar at a distance from the left end of the bar, as shown in the figure. Throughout this problem positive torque is that which spins an object counterclockwise. Use g for the magnitude of the free-fall acceleration gravity. ▸ Part B Part C ▾ Part D If the mass of the block is too large and the block is too close to the left end of the bar (near string B) then the horizontal bar may become unstable (i What is the smallest possible value of such that the bar remains stable (call it critical)? Express your answer for critical in terms of m₁, m₂, d, and L. ▸ View Available Hint(s) m₁ Feritical = ₂ (d-)+d Part E Previous Answers Note that critical, as computed in the previous part, is not necessarily positive. If critical <0, the bar will be stable no matter where the block of ma Assuming that m₂, d, and I are held fixed, what is the maximum block mass mmax for which the bar will always be stable? In other words, what is t Feritical ≤0? Answer in terms of m₂, d. and L. View Available Hint(s) Mua 15] ΑΣΦ 1 wa ?

University Physics Volume 1
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter12: Static Equilibrium And Elasticity
Section: Chapter Questions
Problem 38P: A uniform horizontal strut weighs 400.0 N. One end of the strut is attached to a hinged support the...
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A rigid, uniform, horizontal bar of mass m₁ and length Lis supported by two identical massless strings. (Figure 1)Both strings are vertical. String A is attached at a distance d < L/2 from the left end of the bar and is connected to the ceiling; string B is attached to the left end of the bar and is connected to the floor. A small block of mass m₂ is supported against gravity by the bar at a distance from the left end of the bar, as shown in the figure. Throughout this problem positive torque is that which spins an object counterclockwise. Use g for the magnitude of the free-fall acceleration gravity. Figure String B String A m₁ L m₂ < 1 of 1 ▶► Part B Part C Part D If the mass of the block is too large and the block is too close to the left end of the bar (near string B) then the horizontal bar may become unstable (i.e What is the smallest possible value of such that the bar remains stable (call it critical)? Express your answer for critical in terms of m₁, mą, d, and L. ► View Available Hint(s) Tcritical = Part E M₁ Mmar = (d- 1 - 1 / / ) + d Previous Answers Note that critical, as computed in the previous part, is not necessarily positive. If critical <0, the bar will be stable no matter where the block of mas Assuming that mi, d, and I are held fixed, what is the maximum block mass mmax for which the bar will always be stable? In other words, what is the Icritical <0? Answer in terms of m₁, d, and L. ► View Available Hint(s) [V=| ΑΣΦ Previous Answers Request Answer < Return to Assignment Provide Feedback ?
Transcribed Image Text:A rigid, uniform, horizontal bar of mass m₁ and length Lis supported by two identical massless strings. (Figure 1)Both strings are vertical. String A is attached at a distance d < L/2 from the left end of the bar and is connected to the ceiling; string B is attached to the left end of the bar and is connected to the floor. A small block of mass m₂ is supported against gravity by the bar at a distance from the left end of the bar, as shown in the figure. Throughout this problem positive torque is that which spins an object counterclockwise. Use g for the magnitude of the free-fall acceleration gravity. Figure String B String A m₁ L m₂ < 1 of 1 ▶► Part B Part C Part D If the mass of the block is too large and the block is too close to the left end of the bar (near string B) then the horizontal bar may become unstable (i.e What is the smallest possible value of such that the bar remains stable (call it critical)? Express your answer for critical in terms of m₁, mą, d, and L. ► View Available Hint(s) Tcritical = Part E M₁ Mmar = (d- 1 - 1 / / ) + d Previous Answers Note that critical, as computed in the previous part, is not necessarily positive. If critical <0, the bar will be stable no matter where the block of mas Assuming that mi, d, and I are held fixed, what is the maximum block mass mmax for which the bar will always be stable? In other words, what is the Icritical <0? Answer in terms of m₁, d, and L. ► View Available Hint(s) [V=| ΑΣΦ Previous Answers Request Answer < Return to Assignment Provide Feedback ?
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