කන්දමෙන් දාන වැඩ කැල්ල

Anti BBS

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Feb 7, 2015
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according to physics there must be some energy dissipation & sometime the screw will stop rotating ...it will not rotate forever . but can anyone explain me how the energy has been produced to rotate the screw ??
 

රඹා

Well-known member
  • Feb 2, 2011
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    according to physics there must be some energy dissipation & sometime the screw will stop rotating ...it will not rotate forever . but can anyone explain me how the energy has been produced to rotate the screw ??
    උඹ ඔ්වට හොට දාන්නෙ නැතුව එලෝලු ටිකක් විකුනගන්න බලහන්:lol: