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        <div id="content-top1">Page 166 - ulum_g10</div>
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    <pre style="white-space:pre-line"><code>Â»Ã dG IÆ’â‰¤dG QGÃ³â‰¤e â‰ˆâˆY Ã³ÂªÃ Â©j âˆšQGÃ³â‰¤e Ã¡HÃ´Â©dG â‰ˆâˆY Ã“Â¨Â°T âˆ«Ã²Ã‘j Â¬fÃ‰E a Ã¡HÃ´Y Ã´Ã©H Â¿Ã‰Â°Ã¼â—ŠG Î©Æ’â‰¤j Ã‰eÃ³Ã¦Yh
âˆ«hÃ²Ã‘Å¸G Ï€Â¨Â°Ã»dG QGÃ³â‰¤e ÃœÃ‰Â°Ã¹M Ã¸Î¼Ã h.Ã¡HÃ´Â©dG Ã‰Â¡Â©Â£â‰¤J Â»Ã dG Ã¡aÃ‰Â°Ã¹Å¸G QGÃ³â‰¤eh Ã¡HÃ´Â©dG â‰ˆâˆY Â¿Ã‰Â°Ã¼â—ŠG Ã‰Â¡H Ã´KDÆ’j
â€¢Ã´Â°Ã»H (9-6 Ï€Î¼Â°Ã»dG) ÂºÂ°Ã¹Ã·G Ã‰Â¡Â©Â£b Â»Ã dG Ã¡aÃ‰Â°Ã¹Å¸G â€˜ ÂºÂ°Ã¹Ã·G â‰ˆâˆY IÃ´KÆ’D Å¸G (Ã–Ã«Â°S hCG â„¢aO) IÆ’â‰¤dG ÃœÃ´Â°â€ H
Â¿Æ’fÃ‰â‰¤dG Î©GÃ³Ã®Ã Â°SÃ‰H Ã³MGh OGÃ³Ã eG â‰ˆâˆY Ã‰ÂªÂ¡âˆÂªY Â§Nh âˆšÃ‰Å’â€™G Â¢Ã¹Ã˜f â€˜ Ã¡YÆ’Â£â‰¤Å¸G Ã¡aÃ‰Â°Ã¹Å¸Gh IÆ’â‰¤dG Â¿Æ’Î¼J Â¿CG

                                                                               : â€¹Ã‰Ã dG

     F

                                                          W=F d

                             d
        Ã¡aÃ‰Â°Ã¹e Â¬cÃ´Ã«Ã a ÂºÂ°Ã¹L â‰ˆâˆY IÆ’b Ã´KÆ’D J : (9-6) Ï€Î¼Â°Ã»dG

Â»gh (N) Ã¸JÆ’Â«Ã¦dG IÃ³MÆ’H Â¢SÃ‰â‰¤Jh IÆ’â‰¤dG Ï€Ã£â€œ F h (J) âˆ«Æ’Ã·G IÃ³MÆ’H Â¢SÃ‰â‰¤Jh Ï€Â¨Â°Ã»dG Ï€Ã£â€œ W Â¿GE Ã¥Â«M
IÃ³MÆ’H Â¢SÃ‰â‰¤Jh Ã¡YÆ’Â£â‰¤Å¸G Ã¡aÃ‰Â°Ã¹Å¸G Ï€Ã£â€œ d h Ã¡YÆ’Â£â‰¤Å¸G Ã¡aÃ‰Â°Ã¹Å¸G OGÃ³Ã eG â‰ˆâˆY Ï€Â¨Â°Ã»dG RÃ‰â€šEG AÃ‰Ã¦KCG QGÃ³â‰¤Å¸G Ã¡Ã HÃ‰K

                                                                             .(m) ÃŽÅ¸G

     Î©GÃ³Ã®Ã Â°SG Ã‰Â¡dÃ“N ÂºÃ j Ã¡Â«JÃ‰Â«M âˆžbGÆ’e â€˜ Ã´Î¼a Ã¡Â«YÃ‰ÂªÃ Lâ€™Gh Ã¡Â«Â°Ã¼Ã®Â°Ã»dG âˆ‚JÃ‰Â«M âˆ«Ã“N Ã¸e
     .Â»ÂªâˆÂ©dG Â»FÃ‰jÃµÂ«Ã˜dG â‰ˆÃ¦Â©Å¸Ã‰H Ã“Â¨Â°T Ï€Ã£â€œ â€™ Ã¤â€™Ã‰â—ŠG âˆšÃ²g Â¿EG ÃšM â€˜ â„¢ÂªÃ Ã›G OGÃ´aCG ÃšH Ï€Â¨Â°Ã»dG Ã­âˆÂ£Â°Ã¼e

        . 1.4 m Ã¡aÃ‰Â°Ã¹Å¸ Â±Ã´dG â‰ˆâˆY Â¬HÃ‰Ã c â„¢aÃ’d 25 N Ã‰gQGÃ³â‰¤e IÆ’b Ã³ÂªMCG âˆ«Ã²Ã‘j : âˆ«Ã‰Ã£e
                       ? ÃœÃ‰Ã Î¼dG â‰ˆâˆY Ã³ÂªMCG Â¬dÃ²Ã‘j â€¦Ã²dG Ï€Â¨Â°Ã»dG QGÃ³â‰¤e Ã–Â°Ã¹MG

                                                          :Ã¡dCÃ‰Â°Ã¹Å¸G Ï€M â€˜ Ã¡Â«dÃ‰Ã dG Ã¤GÆ’Â£Ã¿G â„¢Ã‘JG : Ï€â—ŠG

                                                          .Ã¡dCÃ‰Â°Ã¹Å¸G â€˜ Ã¤Ã‰Â«Â£Â©Å¸G Ã¸Y Ã¥Ã«HG -1

        1.4 m = ( d) Ã¡aÃ‰Â°Ã¹Å¸G                              25 N = (N ) IÆ’â‰¤dG

                                                          .ÃœÆ’âˆÂ£Å¸G Ã¸Y Ã¥Ã«HG -2

                                                          ? ( W ) ÃœÃ‰Ã Î¼dG â‰ˆâˆY âˆ«hÃ²Ã‘Å¸G Ï€Â¨Â°Ã»dG
                                                                 .âˆ‚jÃ³d Â»Ã dG Ã¤Ã‰eÆ’âˆÂ©Å¸G Ï€âˆM -3

        .Ï€Â¨Â°Ã»dG ÃœÃ‰Â°Ã¹â—Š IÃ´Â°TÃ‰Ã‘e Â¿Æ’fÃ‰â‰¤dG Î©GÃ³Ã®Ã Â°SG âˆ‚Ã¦Î¼Ã Â¿PGE Ã¡aÃ‰Â°Ã¹Å¸Gh IÆ’â‰¤dG QGÃ³â‰¤e Â±Ã´Â©J âˆ‚fCG Ã‰Ãƒ

                                                          W=F d

165</code></pre>
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