5.2 ¾Åѧ§Ò¹
5.2.1 ¾Åѧ§Ò¹¨Å¹
í
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F ¡ÃзíÒµ‹ÍÇѵ¶ØÁÇÅ m ·ÕèË´¹Ôè§ ·íÒãËŒÇѵ¶Ø·ÕèË´¹Ôè§ÁÕ¡ÒÃà¤Å×è͹·Õèä»à»š¹
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ÃÐÂзҧ s ´ŒÇ¤ÇÒÁàÃçÇ v
Fs∝ v 2 ËÃ×Í Fs= kv 2
m
àÁ×èÍ k ໚¹¤‹Ò¤§µÑǢͧ¡ÒÃá»Ã¼Ñ¹ «Ö觤‹Ò k =
2