锟斤拷锟斤拷锟竭讹拷锟紷一锟斤拷锟斤拷锟角成匡拷锟街伙拷锟侥凤拷水锟絏锟斤拷锟缴匡拷锟斤拷锟轿成兩極锟街伙拷锟斤拷锟叫則锟斤拷锟絬直锟较ｏ拷锟斤拷锟叫則每锟絩锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷記锟斤拷锟斤拷锟斤拷锟絚

锟斤拷锟斤拷1.锟斤拷锟斤拷記锟斤拷锟皆憋拷锟斤拷锟斤拷d锟絯

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟剿傦拷锟絕去锟窖斤拷(j锟斤拷ng)锟斤拷知锟斤拷锟斤拷锟斤拷锟斤拷锟絕锟絏锟斤拷锟斤拷锟铰的猴拷锟紼锟斤拷锟剿傦拷锟节伙拷訒r锟斤拷锟斤拷锟紼锟斤拷锟劫現(xi锟斤拷n)锟斤拷謴锟�(f锟斤拷)锟酵成烇拷锟斤拷锟�锟斤拷锟斤拷锟斤拷锟揭傦拷要锟斤拷锟斤拷G=mg锟紷锟斤拷锟斤拷式锟斤拷锟酵匡拷锟皆斤拷锟絆锟斤拷锟斤拷氐膱D锟斤拷锟斤拷E锟斤拷锟絛锟絯锟斤拷锟斤拷锟斤拷锟解：锟絆锟斤拷锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷锟节碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絆锟斤拷锟斤拷始锟終锟斤拷锟�锟斤拷

锟斤拷锟斤拷2.锟斤拷锟斤拷記锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟紸(ch锟斤拷)

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷知锟絉锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟轿忥拷锟斤拷锟斤拷锟斤拷記锟斤拷锟角無效锟侥★拷锟斤拷锟絗锟紺锟斤拷锟斤拷只锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷知锟絉锟斤拷锟斤拷锟斤拷锟斤拷效記锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟街�锟絉锟角诧拷锟斤拷锟斤拷锟絃锟节冿拷锟斤拷锟斤拷記锟斤拷锟斤拷锟叫碉拷锟斤拷锟斤拷锟叫的學(xu锟斤拷)锟斤拷锟斤拷v=s/t锟絗锟斤拷锟斤拷v=t/s锟斤拷只要锟揭傦拷锟斤拷锟斤拷锟劫度的讹拷锟絰锟斤拷知锟斤拷锟斤拷一锟斤拷锟斤拷式锟斤拷锟絗锟斤拷

锟斤拷锟斤拷3.锟斤拷锟斤拷記锟斤拷锟皆岋拷知锟絉锟斤拷系锟統(t锟斤拷ng)锟斤拷锟斤拷輳锟�

锟斤拷锟斤拷锟斤拷锟斤拷記锟斤拷锟斤拷(y锟斤拷ng)該突锟斤拷锟斤拷锟絚锟斤拷锟絇(gu锟斤拷n)锟絀锟絚;锟斤拷(y锟斤拷ng)該記住锟斤拷锟絯知锟絉锟斤拷前锟斤拷锟斤拷锟斤拷锟窖凤拷散锟斤拷锟斤拷锟斤拷知锟絉系锟統(t锟斤拷ng)锟斤拷锟斤拷锟轿成猴拷锟斤拷锟斤拷锟斤拷锟斤拷知锟絉锟結(ji锟斤拷)锟斤拷(g锟斤拷u)锟斤拷锟結(ji锟斤拷)锟斤拷(g锟斤拷u)锟斤拷锟斤拷锟斤拷锟斤拷知锟絉锟斤拷锟叫猴拷锟斤拷锟斤拷息锟斤拷锟斤拷锟斤拷知锟絉锟侥诧拷锟斤拷锟皆和產(ch锟斤拷n)锟斤拷锟铰碉拷锟斤拷锟絵锟侥癸拷锟斤拷锟斤拷锟紷锟絅锟斤拷锟斤拷锟斤拷知锟絉锟侥加癸拷锟酵組锟斤拷锟斤拷锟角岋拷記锟斤拷锟侥猴拷锟斤拷锟斤拷锟斤拷锟紸锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷記锟斤拷锟斤拷(y锟斤拷ng)锟斤拷循锟斤拷規(gu锟斤拷)锟斤拷

锟斤拷锟斤拷1.锟斤拷锟絩锟斤拷(f锟斤拷)锟斤拷(x锟斤拷)锟斤拷锟斤拷(j锟斤拷ng)锟斤拷锟絓锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷(j锟斤拷)锟铰囷拷锟斤拷锟斤拷W(xu锟斤拷)锟揭帮拷锟絜锟斤拷斯锟斤拷“锟絲锟斤拷锟劫讹拷锟斤拷锟斤拷”锟斤拷锟絲锟斤拷锟組锟斤拷锟斤拷锟饺匡拷锟斤拷锟斤拷锟斤拷榷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷C锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷知锟絉锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷r锟斤拷(f锟斤拷)锟斤拷(x锟斤拷)一锟斤拷锟斤拷锟斤拷锟絲锟斤拷20%锟斤拷一锟杰猴拷锟絲锟斤拷30%锟斤拷一锟铰猴拷只锟杰憋拷锟斤拷50%锟斤拷锟斤拷锟斤拷锟絩锟絞越锟絃锟斤拷锟斤拷锟斤拷知锟絉锟斤拷越锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟�锟斤拷锟斤拷锟絥锟斤拷锟斤拷锟斤拷要記锟斤拷锟斤拷锟斤拷锟絚锟斤拷(n锟斤拷i)锟捷戯拷(y锟斤拷ng)锟斤拷取锟紷锟斤拷一些锟斤拷施锟斤拷一锟斤拷锟斤拷锟斤拷锟絥前锟絁锟斤拷小锟結(ji锟斤拷)锟斤拷锟斤拷锟絩锟斤拷(f锟斤拷)锟斤拷(x锟斤拷)鞏癸拷锟斤拷锟斤拷锟角憋拷锟阶ワ拷锟斤拷锟斤拷n前锟侥忥拷(f锟斤拷)锟斤拷(x锟斤拷)锟结問锟斤拷锟斤拷使锟絎(xu锟斤拷)锟斤拷锟斤拷锟絥锟铰忥拷(f锟斤拷)锟斤拷(x锟斤拷)锟斤拷锟斤拷锟角學(xu锟斤拷)锟斤拷每锟斤拷锟斤拷锟矫分段忥拷(f锟斤拷)锟斤拷(x锟斤拷)锟�锟斤拷锟街�锟斤拷锟斤拷螐锟斤拷锟斤拷锟�(f锟斤拷)锟斤拷(x锟斤拷)锟斤拷鞏癸拷記锟斤拷锟斤拷锟剿凤拷锟絲锟斤拷锟斤拷锟斤拷效锟侥凤拷锟斤拷锟斤拷锟街讹拷锟斤拷

锟斤拷锟斤拷2.锟斤拷锟絣(f锟斤拷)锟絛趣锟斤拷锟斤拷锟絖目锟斤拷

锟斤拷锟斤拷锟斤拷锟揭的學(xu锟斤拷)锟斤拷(x锟斤拷)锟絛趣锟斤拷锟斤拷锟杰獲锟斤拷锟斤拷锟诫不锟斤拷锟斤拷記锟斤拷效锟斤拷锟斤拷锟斤拷锟�锟斤拷锟斤拷锟絣(f锟斤拷)锟絎(xu锟斤拷)锟斤拷锟絎(xu锟斤拷)锟斤拷(x锟斤拷)锟斤拷锟斤拷锟絛趣锟截別锟斤拷要锟斤拷锟教學(xu锟斤拷)锟斤拷要锟斤拷W(xu锟斤拷)锟斤拷記住某些知锟絉锟斤拷锟斤拷要讓锟絎(xu锟斤拷)锟斤拷锟斤拷锟斤拷記住锟紷些知锟絉锟斤拷锟斤拷锟絰锟斤拷只锟叫�锟�(d锟斤拷ng)知锟絉锟斤拷锟矫诧拷锟斤拷記锟斤拷锟斤拷知锟絉锟侥勶拷锟斤拷锟斤拷

锟斤拷锟斤拷3.锟脚筹拷锟缴擾锟斤拷锟絤锟斤拷(y锟斤拷ng)锟絟(hu锟斤拷n)锟斤拷

锟斤拷锟斤拷锟斤拷锟絟(hu锟斤拷n)锟斤拷锟缴擾锟斤拷锟斤拷锟斤拷锟斤拷w锟缴擾锟斤拷锟斤拷影锟斤拷锟斤拷锟接涳拷锟斤拷锟叫э拷锟�锟斤拷锟斤拷耍锟接涳拷锟斤拷r锟斤拷锟斤拷锟揭伙拷锟斤拷锟斤拷o锟侥環(hu锟斤拷n)锟斤拷锟斤拷锟絰锟斤拷恰锟斤拷(d锟斤拷ng)?sh锟斤拷)锟接涳拷锟斤拷r锟絞锟斤拷锟斤拷锟藉晨锟斤拷夜锟斤拷锟斤拷锟給之锟絩锟斤拷锟斤拷锟斤拷w锟侥干擾锟斤拷锟斤拷锟絘(ch锟斤拷n)锟斤拷锟斤拷锟斤拷w锟斤拷锟戒，锟斤拷o锟斤拷锟絇(gu锟斤拷n)锟絕锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷w锟斤拷锟斤拷r锟斤拷锟轿猴拷锟铰讹拷锟給锟斤拷锟絕;锟斤拷锟斤拷锟斤拷w锟給锟斤拷锟絩原锟斤拷記锟斤拷锟斤拷知锟絉一锟絰锟斤拷锟絞锟截戯拷锟斤拷锟斤拷锟斤拷;锟斤拷锟斤拷锟紷锟絅锟斤拷r锟斤拷锟斤拷锟斤拷锟斤拷w锟斤拷(w锟斤拷n)锟斤拷之锟斤拷锟劫伙拷锟絕锟絕锟斤拷锟斤拷锟斤拷要锟斤拷锟皆硷拷锟斤拷锟斤拷志去锟脚筹拷锟缴擾锟斤拷锟絜锟絆锟絳(di锟斤拷o)锟斤拷锟侥態(t锟斤拷i)锟斤拷努锟斤拷锟絤锟斤拷(y锟斤拷ng)锟铰的環(hu锟斤拷n)锟斤拷锟斤拷锟紷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷記锟斤拷锟斤拷锟剿凤拷锟絉锟絩锟斤拷锟絲锟斤拷锟角筹拷锟斤拷效锟斤拷

锟斤拷锟斤拷4.記锟斤拷锟絤锟斤拷锟斤拷锟斤拷锟捷結(ji锟斤拷)锟斤拷

锟斤拷锟斤拷锟斤拷锟节筹拷負锟斤拷記锟斤拷锟絲锟斤拷锟绞革拷锟斤拷锟斤拷锟斤拷知锟絉锟斤拷記锟斤拷锟斤拷锟斤拷探锟斤拷锟斤拷全锟斤拷锟叫忌硷拷锟斤拷一锟轿時锟絞锟紹锟絤(x锟斤拷)锟截忥拷(f锟斤拷)某一锟斤拷(n锟斤拷i)锟斤拷锟斤拷使锟斤拷锟絏锟絃锟絩锟絞處锟节緊锟斤拷疲锟斤拷锟紹(t锟斤拷i)锟斤拷锟斤拷锟紿锟斤拷锟組锟絩锟絞锟酵撅拷锟斤拷锟斤拷還锟斤拷锟斤拷锟斤拷锟絎(xu锟斤拷)锟斤拷锟侥凤拷锟斤拷锟斤拷w锟斤拷锟斤拷锟斤拷锟斤拷锟脚時锟絞锟斤拷要锟斤拷锟捷結(ji锟斤拷)锟斤拷锟斤拷锟絤锟絩锟絳(di锟斤拷o)锟斤拷锟絎(xu锟斤拷)锟斤拷(x锟斤拷)锟斤拷(n锟斤拷i)锟捷猴拷锟斤拷式锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷記锟斤拷锟侥筹拷見锟斤拷锟斤拷

锟斤拷锟斤拷1锟斤拷锟斤拷锟斤拷記锟斤拷锟斤拷锟斤拷锟界當(d锟斤拷ng)車锟金步和剎車锟絩锟斤拷锟斤拷锟斤拷锟�锟斤拷前锟紸锟斤拷锟侥現(xi锟斤拷n)锟斤拷锟斤拷锟斤拷記锟斤拷锟絋锟皆革拷锟筋。

锟斤拷锟斤拷2锟斤拷锟斤拷s記锟斤拷锟斤拷锟斤拷锟斤拷锟侥凤拷锟戒定锟缴可濓拷s锟斤拷“锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟缴斤拷锟斤拷龋锟狡斤拷锟斤拷R锟斤拷锟斤拷規(gu锟斤拷)锟缴可濓拷s锟斤拷“锟斤拷锟襟對稱锟斤拷锟斤拷锟斤拷锟洁反锟斤拷”

锟斤拷锟斤拷3锟斤拷锟斤拷锟紼記锟斤拷锟斤拷锟斤拷锟斤拷“锟斤拷锟絯锟叫慣锟斤拷锟斤拷锟絋锟斤拷锟斤拷锟斤拷裕锟斤拷锟叫★拷锟斤拷|(zh锟斤拷)锟斤拷锟斤拷锟斤拷論锟斤拷锟絚锟給锟斤拷”

锟斤拷锟斤拷4锟斤拷锟斤拷锟絕記锟斤拷锟斤拷锟斤拷锟斤拷T锟斤拷锟絚锟絋锟皆讹拷锟缴★拷锟斤拷锟絚影锟斤拷锟斤拷锟絣(f锟斤拷)锟絚锟斤拷锟絭锟斤拷锟斤拷锟斤拷锟絚锟斤拷锟斤拷锟斤拷锟斤拷聯(li锟斤拷n)锟絚锟斤拷聯(li锟斤拷n)锟斤拷锟斤拷锟斤拷锟絕锟絕(q锟斤拷)锟絜锟絚聯(li锟斤拷n)系锟斤拷锟揭筹拷锟斤拷同锟斤拷

锟斤拷锟斤拷5锟斤拷锟狡岋拷(d锟斤拷o)記锟斤拷锟斤拷锟斤拷锟斤拷锟狡岋拷(d锟斤拷o)液锟絯锟斤拷(n锟斤拷i)锟斤拷锟斤拷锟斤拷锟斤拷計锟姐公式锟斤拷锟斤拷p=F/S=G/S=mg/s=pvg/s=pshg/=pgh锟斤拷

锟斤拷锟斤拷6锟斤拷锟絯锟接涳拷锟斤拷锟斤拷锟斤拷锟斤拷位锟絩锟絞通锟絕锟斤拷路锟教斤拷锟劫讹拷锟斤拷锟斤拷位锟絩锟絞锟斤拷锟斤拷锟斤拷锟侥讹拷锟劫叫癸拷锟绞ｏ拷锟斤拷位锟絯锟絜锟斤拷某锟絅锟斤拷锟絴(zh锟斤拷)锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷锟杰讹拷锟斤拷锟斤拷位锟斤拷e锟侥夛拷锟斤拷锟叫夛拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟皆歸锟絳锟斤拷“锟斤拷位……锟斤拷……锟斤拷……”锟�锟斤拷

锟斤拷锟斤拷7锟斤拷锟斤拷锟剿硷拷x锟斤拷锟斤拷锟斤拷锟斤拷锟�(j锟斤拷)“锟斤拷锟斤拷”锟斤拷“锟斤拷锟斤拷”锟斤拷“支锟斤拷锟斤拷”锟斤拷锟斤拷锟絈锟斤拷锟斤拷記住锟紷些锟斤拷锟侥凤拷锟斤拷锟斤拷

锟斤拷锟斤拷8锟斤拷锟斤拷锟�(锟絣锟斤拷記锟斤拷锟斤拷锟斤拷锟斤拷锟叫讹拷使锟斤拷锟斤拷锟斤拷锟斤拷锟街讹拷锟絫锟侥條锟斤拷锟絩锟斤拷锟缴革拷锟斤拷(j锟斤拷)锟斤拷锟斤拷锟节磁堬拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷a(ch锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟街讹拷锟絫;锟斤拷锟斤拷锟斤拷锟斤拷诖艌锟斤拷锟斤拷\锟斤拷锟斤拷锟斤拷锟絘(ch锟斤拷n)锟斤拷锟斤拷锟�锟斤拷锟斤拷锟斤拷锟斤拷锟街讹拷锟絫锟斤拷

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