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torque
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ashish720419
Posted: Sunday, September 28, 2008 12:55:12 PM
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is torque due to all internal forces is always 0 ?
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chowdary
Posted: Wednesday, October 01, 2008 12:37:29 PM

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yes
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chowdary
Posted: Wednesday, October 01, 2008 12:40:15 PM

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i think as "yes" if i am wrong then report the right answer ur sincerely "CHOWDARY"
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yogi970
Posted: Sunday, September 13, 2009 7:48:22 AM
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when we lift a block from the floor and put it on an almirah the potential energy of the box increzse.but no change in kinettic energy.... IS THIS VIOLATION OF CONSERVATION OF ENERGY???????/
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ankuragiwal
Posted: Tuesday, September 15, 2009 4:07:04 AM

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No this is not a violation. Amount of work done = Gain in potential energy.
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Shivam nama
Posted: Thursday, January 28, 2010 1:33:55 PM
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ricku
Posted: Monday, August 23, 2010 12:20:01 PM
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NO
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