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: 14-09-30 20:36
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À̽ÄÀº ¹«¾ùÀ» ±¸Çϴ½ÄÀΰ¡¿ä... ÀúÁß¿¡ 2gcjºÎºÐÀÌ ¹«¾ùÀ»¶æÇϴ°ÇÁö ¸ð¸£°Ú½À´Ï´Ù ¤Ð
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Stefano
14-10-01 18:42
»óÅ¿¡¼ b »óÅ·Πº¯ÈÇÏ´Â °úÁ¤¿¡¼ ´ÜÀ§Áú·®´ç ¿¿¡³ÊÁö¿Í ¿îµ¿¿¡³ÊÁö Áõ°¡·®À» ³ªÅ¸³»´Â ¼ö½ÄÀÔ´Ï´Ù.
¶Ç 1/2ÀÇ Àǹ̴ 1/2 m v^2¿¡ ÇØ´çÇÏ´Â ¿îµ¿¿¡³ÊÁö¸¦ ³ªÅ¸³¾¶§ÀÇ °è¼ö(1/2)¸¦ ÀǹÌÇÏ°í,
gc´Â (kg-mass)*m/s^2 ´ÜÀ§ÀÇ ÈûÀÇ ¿¡³ÊÁö ´ÜÀ§¸¦ kgf´ÜÀ§·Î ȯ»êÇϱâ À§ÇÑ ´ÜÀ§È¯»ê°è¼öÀÌ°í
J´Â kgf-m (=J = N-m)´ÜÀ§ÀÇ ¿¡³ÊÁö´ÜÀ§¸¦ cal´ÜÀ§·Î ȯ»êÇϱâ À§ÇÑ È¯»ê°è¼öÀÔ´Ï´Ù.
gc = 9.8 (kgm/kgf)*m/s^2 = 9.8N/kgf,
J = (1/4.184) N-m/cal =0.238 kN-m/kcal =0.238 kJ/kcal
¼ö½ÄÀÌ ³ªÅ¸³ª ÀÖ´Â ¹®ÇåÀÇ ¼³¸íÀ» ÀÚ¼¼È÷ Àоµµ·Ï Çϼ¼¿ä.
»óÅ¿¡¼ b »óÅ·Πº¯ÈÇÏ´Â °úÁ¤¿¡¼ ´ÜÀ§Áú·®´ç ¿¿¡³ÊÁö¿Í ¿îµ¿¿¡³ÊÁö Áõ°¡·®À» ³ªÅ¸³»´Â ¼ö½ÄÀÔ´Ï´Ù. ¶Ç 1/2ÀÇ Àǹ̴ 1/2 m v^2¿¡ ÇØ´çÇÏ´Â ¿îµ¿¿¡³ÊÁö¸¦ ³ªÅ¸³¾¶§ÀÇ °è¼ö(1/2)¸¦ ÀǹÌÇÏ°í, gc´Â (kg-mass)*m/s^2 ´ÜÀ§ÀÇ ÈûÀÇ ¿¡³ÊÁö ´ÜÀ§¸¦ kgf´ÜÀ§·Î ȯ»êÇϱâ À§ÇÑ ´ÜÀ§È¯»ê°è¼öÀÌ°í J´Â kgf-m (=J = N-m)´ÜÀ§ÀÇ ¿¡³ÊÁö´ÜÀ§¸¦ cal´ÜÀ§·Î ȯ»êÇϱâ À§ÇÑ È¯»ê°è¼öÀÔ´Ï´Ù. gc = 9.8 (kgm/kgf)*m/s^2 = 9.8N/kgf, J = (1/4.184) N-m/cal =0.238 kN-m/kcal =0.238 kJ/kcal ¼ö½ÄÀÌ ³ªÅ¸³ª ÀÖ´Â ¹®ÇåÀÇ ¼³¸íÀ» ÀÚ¼¼È÷ Àоµµ·Ï Çϼ¼¿ä.
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