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Author Question: Angie says that an object is in equilibrium if the net torques about the center of mass is zero. ... (Read 51 times)

jCorn1234

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on: Aug 6, 2020

Question 1

An object of mass m is suspended by two coplanar wires, as shown below. The tension in each wire has a magnitude given by



◦
.

◦
.

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.

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mg.

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.


Question 2

Angie says that an object is in equilibrium if the net torques about the center of mass is zero. Robbie says that an object is in equilibrium if the sum of external forces is zero. Which one, if either, is correct?

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Both are correct: an object is in equilibrium if either condition holds.

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Neither is correct: both conditions must hold simultaneously.

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Neither is correct: the net external force and the net external torque about any axis must be zero.

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Neither is correct: an object is in equilibrium only if its velocity is zero in all coordinate systems.

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Both are correct: if the sum of the external forces is zero, the net torque about any axis is automatically zero, and vice versa.
Physics for Scientists and Engineers ¦ Serway, Jewett ¦ 9th Edition
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Marked as best answer by jCorn1234 on Aug 6, 2020

Moriaki

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Reply #1 on: Aug 6, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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jCorn1234

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Reply 2 on: Aug 6, 2020
Gracias!

meganmoser117

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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