锟斤拷锟斤拷锟斤拷锟斤拷W(xu锟斤拷)锟斤拷锟斤拷锟斤拷平锟角測(c锟斤拷)锟斤拷锟斤拷锟絯锟絴(zh锟斤拷)锟斤拷锟侥撅拷锟杰儀锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟紿锟叫ｏ拷锟斤拷(j锟斤拷ng)锟絕锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷還锟斤拷锟斤拷锟斤拷锟矫烇拷y(c锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥癸拷锟竭★拷锟斤拷锟斤拷锟絜锟斤拷锟絝锟斤拷锟斤拷

锟斤拷锟斤拷一锟斤拷锟統(c锟斤拷)锟斤拷锟絯锟侥旓拷(sh锟斤拷)锟斤拷

锟斤拷锟斤拷锟斤拷锟界：锟斤拷一锟窖达拷锟絕針約锟阶百傦拷(g锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟狡斤拷芎芸锟統(c锟斤拷)锟斤拷锟斤拷锟侥达拷s锟斤拷(sh锟斤拷)锟斤拷?

锟斤拷锟斤拷锟斤拷锟紼锟斤拷锟斤拷锟斤拷锟斤拷平锟統(c锟斤拷)锟斤拷10锟斤拷(g锟斤拷)锟斤拷锟絕針碉拷锟絴(zh锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷平锟斤拷值锟侥凤拷锟斤拷锟斤拷锟揭伙拷锟�(g锟斤拷)锟斤拷锟絕針碉拷锟絴(zh锟斤拷)锟斤拷m;锟斤拷锟斤拷锟斤拷平锟絈锟斤拷锟紷锟窖达拷锟絕針的匡拷锟絴(zh锟斤拷)锟斤拷M.锟絫锟紷锟窖达拷锟絕針的傦拷(g锟斤拷)锟斤拷(sh锟斤拷)锟斤拷n=M/m.

锟斤拷锟斤拷锟斤拷锟疥：小锟斤拷锟斤拷锟轿傦拷(g锟斤拷)锟絴(zh锟斤拷)锟斤拷锟斤拷锟�锟斤拷锟斤拷(sh锟斤拷)锟斤拷锟絕锟斤拷锟斤拷锟斤拷w锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷平锟統(c锟斤拷)锟斤拷锟戒數(sh锟斤拷)锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟統(c锟斤拷)锟斤拷锟絯锟斤拷锟絃(zh锟斤拷ng)锟斤拷

锟斤拷锟斤拷锟斤拷锟界：锟斤拷锟斤拷锟斤拷平锟斤拷慰锟斤拷贉y(c锟斤拷)锟斤拷一小锟斤拷锟斤拷(x锟斤拷)锟絶锟絲锟斤拷锟絃(zh锟斤拷ng)锟斤拷?

锟斤拷锟斤拷1锟斤拷锟給锟斤拷锟斤拷锟竭ｏ拷锟教度筹拷;

锟斤拷锟斤拷2锟斤拷锟斤拷锟紼锟斤拷锟斤拷锟斤拷锟斤拷平锟統(c锟斤拷)锟斤拷锟紷锟斤拷锟斤拷(x锟斤拷)锟絶锟絲锟侥匡拷锟絴(zh锟斤拷)锟斤拷M;然锟斤拷锟饺∫恍★拷渭锟�(x锟斤拷)锟絶锟絲锟斤拷锟斤拷锟斤拷平锟統(c锟斤拷)锟斤拷锟斤拷锟絴(zh锟斤拷)锟斤拷m锟斤拷锟矫刻度尺測(c锟斤拷)锟斤拷锟絃(zh锟斤拷ng)锟饺烇拷l锟斤拷锟絫锟紷锟斤拷锟斤拷(x锟斤拷)锟絶锟斤拷锟侥匡拷锟絃(zh锟斤拷ng)锟斤拷L(zh锟斤拷ng)=(M/m)l

锟斤拷锟斤拷锟斤拷锟疥：锟斤拷锟斤拷锟斤拷锟斤拷(x锟斤拷)锟絃(zh锟斤拷ng)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷w锟斤拷锟斤拷锟矫此凤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟統(c锟斤拷)锟斤拷锟絯锟侥猴拷锟�

锟斤拷锟斤拷锟斤拷锟界：锟斤拷一锟終锟絃(zh锟斤拷ng)锟斤拷锟轿的撅拷锟斤拷锟絏锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟狡斤拷y(c锟斤拷)锟斤拷锟絏锟斤拷锟侥猴拷锟�?

锟斤拷锟斤拷1锟斤拷锟給锟斤拷锟斤拷锟竭ｏ拷锟教度筹拷

锟斤拷锟斤拷2锟斤拷锟斤拷锟紼锟斤拷锟斤拷锟斤拷锟斤拷平锟統(c锟斤拷)锟斤拷锟絏锟斤拷锟侥匡拷锟絴(zh锟斤拷)锟斤拷M锟斤拷然锟斤拷锟矫刻度尺測(c锟斤拷)锟斤拷锟絏锟斤拷锟斤拷锟絃(zh锟斤拷ng)a锟酵岋拷b锟斤拷;锟斤拷锟斤拷锟斤拷芏缺锟斤拷锟斤拷X锟斤拷锟杰讹拷值锟斤拷锟絫锟絏锟斤拷锟侥猴拷锟紿=M/(ab).

锟斤拷锟斤拷锟斤拷锟疥：片锟斤拷锟斤拷锟今薄撅拷锟斤拷锟斤拷锟轿狅拷規(gu锟斤拷)锟絫锟斤拷锟斤拷锟絯锟斤拷锟斤拷锟矫此凤拷锟統(c锟斤拷)锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟統(c锟斤拷)锟斤拷锟絯锟斤拷锟斤拷e

锟斤拷锟斤拷锟斤拷锟界：锟斤拷一锟終锟轿狀不規(gu锟斤拷)锟絫锟斤拷锟今薄撅拷锟斤拷谋锟斤拷F片锟斤拷锟斤拷锟斤拷锟斤拷锟狡斤拷y(c锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷e?

锟斤拷锟斤拷1锟斤拷锟給锟斤拷锟斤拷锟竭ｏ拷锟斤拷锟斤拷锟斤拷锟教度筹拷

锟斤拷锟斤拷2锟斤拷锟斤拷锟紼锟斤拷锟斤拷锟斤拷锟斤拷平锟統(c锟斤拷)锟斤拷锟斤拷锟斤拷(g锟斤拷)锟斤拷锟紽片锟侥匡拷锟絴(zh锟斤拷)锟斤拷M;锟斤拷锟矫硷拷锟斤拷锟斤拷該锟斤拷锟紽片锟较硷拷锟斤拷一锟斤拷(g锟斤拷)規(gu锟斤拷)锟絫锟斤拷锟絃(zh锟斤拷ng)锟斤拷锟轿岋拷(sh锟斤拷)锟�(y锟斤拷n)锟紽片锟斤拷锟斤拷锟斤拷平锟統(c锟斤拷)锟斤拷锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷m锟斤拷锟矫刻度尺測(c锟斤拷)锟斤拷锟斤拷锟絃(zh锟斤拷ng)a锟酵岋拷b;锟絫锟剿憋拷锟紽片锟侥匡拷锟斤拷e锟斤拷S=M/m)ab.

锟斤拷锟斤拷锟斤拷锟疥：片锟筋、锟今薄撅拷锟斤拷锟斤拷锟轿狀不規(gu锟斤拷)锟絫锟斤拷锟斤拷锟絯锟斤拷锟斤拷锟絤锟矫★拷

锟斤拷锟斤拷锟斤拷锟斤拷锟統(c锟斤拷)锟斤拷锟斤拷锟斤拷锟捷積

锟斤拷锟斤拷锟斤拷锟界：锟斤拷锟斤拷锟斤拷锟狡斤拷y(c锟斤拷)锟斤拷一锟斤拷(g锟斤拷)墨水瓶锟斤拷锟捷積?

锟斤拷锟斤拷1锟斤拷锟給锟斤拷锟斤拷锟较ｏ拷水

锟斤拷锟斤拷2锟斤拷锟斤拷锟紼锟斤拷锟斤拷锟斤拷锟斤拷平锟統(c锟斤拷)锟斤拷锟斤拷墨水瓶锟斤拷锟絴(zh锟斤拷)锟斤拷m;然锟襟將匡拷墨水瓶锟絙锟組水锟斤拷锟斤拷锟斤拷平锟絈锟斤拷瓶锟斤拷水锟侥匡拷锟絴(zh锟斤拷)锟斤拷M;锟絫锟紷锟斤拷(g锟斤拷)墨水瓶锟斤拷锟捷積锟斤拷V=(M-m)/水

锟斤拷锟斤拷锟斤拷锟疥：只要锟斤拷锟斤拷锟斤拷水锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷平锟侥稱锟斤拷锟睫讹拷锟斤拷锟斤拷锟斤拷锟斤拷锟矫此凤拷锟統(c锟斤拷)锟斤拷锟紷锟斤拷(g锟斤拷)锟斤拷锟斤拷锟斤拷锟捷積

锟斤拷锟斤拷锟絇(gu锟斤拷n)锟斤拷锟絔锟斤拷

      锟斤拷一锟斤拷锟斤拷W(xu锟斤拷)锟斤拷(x锟斤拷)锟斤拷锟斤拷

锟斤拷锟铰高匡拷锟結訊锟斤拷锟竭匡拷锟斤拷锟斤拷锟斤拷锟斤拷前锟斤拷(zh锟斤拷n)锟戒、志愿锟斤拷锟�(b锟斤拷o)锟斤拷锟饺★拷锟�?j锟斤拷n)?sh锟斤拷)锟斤拷锟斤拷

锟竭匡拷锟絩(sh锟斤拷)锟絞锟斤拷锟斤拷全锟斤拷锟斤拷要锟斤拷(ji锟斤拷)锟絚(di锟斤拷n)

锟組锟斤拷"锟竭匡拷锟絎(w锟斤拷ng)"微锟脚癸拷锟斤拷號(h锟斤拷o)