锟斤拷锟斤拷锟斤拷锟斤拷锟絎(xu锟斤拷)锟斤拷(x锟斤拷)锟斤拷锟斤拷锟斤拷锟角猴拷锟轿碉拷锟斤拷锟矫癸拷式锟斤拷锟組(j锟斤拷n)锟叫旓拷(sh锟斤拷)锟斤拷锟狡岋拷(d锟斤拷o)锟斤拷锟斤拷锟斤拷知锟絉锟斤拷要锟斤拷锟斤拷要锟斤拷锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟侥伙拷锟紸(ch锟斤拷)知锟絉锟斤拷要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锟斤拷規(gu锟斤拷)锟斤拷锟斤拷锟脚�锟藉本锟絴(zh锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟絇(gu锟斤拷n)锟斤拷锟斤拷锟揭�(gu锟斤拷)锟斤拷之锟絞锟斤拷聯(li锟斤拷n)系锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷式锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷什么锟絣锟斤拷锟铰戯拷(y锟斤拷ng)锟矫讹拷锟斤拷锟杰猴拷锟轿碉拷锟斤拷锟斤拷锟斤拷(x锟斤拷)锟絵锟斤拷锟絵锟斤拷锟斤拷(zh锟斤拷n)锟絞(sh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锟斤拷突锟斤拷锟揭�(gu锟斤拷)锟缴的學(xu锟斤拷)锟斤拷(x锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷畈伙拷锟斤拷锟斤拷}锟斤拷锟紿锟組(f锟斤拷i)锟絩锟絞锟組(f锟斤拷i)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷矛锟杰伙拷锟斤拷锟斤拷锟皆斤拷锟�锟斤拷锟矫讹拷锟斤拷之锟絘(ch锟斤拷n)锟斤拷畏锟統锟斤拷w锟斤拷锟斤拷锟斤拷(x锟斤拷)锟絵锟斤拷目锟斤拷锟角烇拷锟斤拷鞏固伙拷锟斤拷知锟絉锟斤拷锟侥讹拷锟絖(d锟斤拷)锟斤拷锟絗锟斤拷锟絓(y锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷同锟絎(xu锟斤拷)锟斤拷锟斤拷锟絏锟斤拷锟皆硷拷锟斤拷锟斤拷锟斤拷锟窖讹拷锟斤拷锟斤拷锟斤拷锟角诧拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟絵锟酵诧拷知锟侥猴拷锟斤拷锟街★拷锟紷锟角诧拷锟斤拷同锟絎(xu锟斤拷)锟斤拷锟叫碉拷锟斤拷锟斤拷锟斤拷锟斤拷(y锟斤拷ng)該锟斤拷么锟絢锟截ｏ拷锟斤拷锟饺戯拷(y锟斤拷ng)锟斤拷锟斤拷锟筋反锟斤拷(f锟斤拷)锟斤拷锟絕锟斤拷锟揭筹拷锟絚锟斤拷锟斤拷母锟斤拷锟斤拷規(gu锟斤拷)锟缴的區(q锟斤拷)锟絜锟斤拷锟斤拷锟斤拷锟劫度的革拷锟斤拷锟揭憋拷锟絕锟斤拷锟阶斤拷锟斤拷锟斤拷锟斤拷?y锟斤拷n)锟斤拷粘锟斤拷锟斤拷锟斤拷锟斤拷薪锟斤拷|锟斤拷锟絯锟斤拷锟斤拷锟斤拷锟斤拷锟劫讹拷锟紷锟斤拷锟斤拷锟斤拷锟絕锟斤拷锟斤拷锟斤拷锟节現(xi锟斤拷n)锟斤拷(sh锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷臃锟斤拷锟街伙拷谋锟斤拷锟斤拷峡锟斤拷o锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷顺锟斤拷锟酵�锟絕锟斤拷锟絕锟斤拷锟斤拷锟劫讹拷锟絚锟斤拷锟劫度的诧拷同锟絚(di锟斤拷n)锟斤拷锟斤拷還要锟斤拷锟絓(y锟斤拷n)锟斤拷锟斤拷锟絯锟劫讹拷變锟斤拷锟斤拷锟絯锟斤拷锟斤拷锟斤拷锟劫度的达拷锟节硷拷锟斤拷(sh锟斤拷)锟紿锟斤拷锟絰锟斤拷锟斤拷锟斤拷要锟斤拷锟斤拷(j锟斤拷)锟絵目锟斤拷锟給锟侥條锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絕锟斤拷锟斤拷锟斤拷锟斤拷锟介景锟斤拷锟斤拷锟斤拷锟斤拷模锟斤拷锟斤拷然锟斤拷锟揭筹拷每锟斤拷锟斤拷锟斤拷锟絕锟斤拷锟斤拷锟斤拷什么锟接碉拷規(gu锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絕锟斤拷之锟絞锟斤拷什么聯(li锟斤拷n)系锟斤拷锟斤拷锟斤拷(j锟斤拷)锟斤拷锟絎(xu锟斤拷)知锟絉锟叫筹拷锟斤拷锟斤拷(y锟斤拷ng)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絵锟斤拷锟絕锟斤拷锟斤拷要锟斤拷锟角凤拷锟斤拷思锟斤拷锟斤拷锟斤拷锟斤拷思锟斤拷锟斤拷锟給锟斤拷(d锟斤拷o)锟街讹拷锟角�锟斤拷D锟斤拷锟紻锟斤拷锟斤拷一锟絅锟杰好碉拷锟斤拷锟斤拷模锟斤拷锟斤拷锟紷锟斤拷變锟斤拷锟斤拷锟斤拷锟絯锟斤拷變虛锟矫烇拷锟芥實(sh锟斤拷)锟斤拷锟斤拷锟斤拷锟絵锟斤拷锟斤拷锟斤拷锟阶讹拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟界：锟斤拷一直锟斤拷斜锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷M锟斤拷锟节粗糙碉拷锟斤拷锟较ｏ拷锟斤拷A锟斤拷α斜邊锟絃锟斤拷L锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷m锟斤拷锟斤拷锟絯锟斤拷斜锟斤拷頂讹拷锟斤拷锟給止锟絖始锟铰伙拷锟斤拷锟斤拷(j锟斤拷ng)t锟诫到锟阶讹拷锟斤拷锟斤拷m锟铰伙拷锟絕锟斤拷锟斤拷锟斤拷锟斤拷锟芥對M锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷^锟教ｏ拷锟斤拷锟斤拷(j锟斤拷)锟絵锟解畫锟斤拷锟斤拷锟斤拷模锟酵圖

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷m锟斤拷锟給止锟斤拷锟斤拷锟铰伙拷锟斤拷M锟給止锟斤拷锟斤拷锟組锟斤拷m锟斤拷锟斤拷锟叫癸拷同锟侥硷拷锟劫讹拷锟斤拷锟斤拷锟斤拷規(gu锟斤拷)锟斤拷锟斤拷(y锟斤拷ng)锟街別锟叫撅拷锟斤拷M锟斤拷锟斤拷平锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟杰的猴拷锟斤拷锟斤拷锟斤拷0锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷r锟斤拷D锟斤拷

锟斤拷锟斤拷m锟斤拷锟斤拷锟斤拷D

锟斤拷锟斤拷锟斤拷锟芥對M锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷支锟斤拷锟斤拷N锟斤拷摩锟斤拷锟斤拷f锟斤拷锟斤拷锟紷锟缴傦拷锟斤拷锟侥达拷小锟絚m锟斤拷M锟斤拷锟斤拷锟斤拷锟斤拷锟絇(gu锟斤拷n)锟斤拷锟斤拷锟絚m锟斤拷M之锟絞锟斤拷锟斤拷锟斤拷锟斤拷(锟斤拷(n锟斤拷i)锟斤拷)锟斤拷锟絇(gu锟斤拷n)锟斤拷锟紷锟接革拷锟絰锟斤拷锟斤拷锟絵锟角筹拷锟介煩锟斤拷

锟斤拷锟斤拷锟缴帮拷m锟斤拷M視锟斤拷一锟斤拷锟斤拷锟絯锟斤拷锟斤拷锟絯锟斤拷只锟斤拷一锟斤拷锟斤拷锟叫硷拷锟劫讹拷锟斤拷锟紷锟斤拷锟斤拷锟劫讹拷也锟斤拷系锟統(t锟斤拷ng)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷玫慕Y(ji锟斤拷)锟斤拷锟斤拷锟紷锟絩m锟斤拷M之锟絞锟侥冿拷(n锟斤拷i)锟斤拷锟斤拷锟皆诧拷锟斤拷锟斤拷锟斤拷锟斤拷锟絯锟斤拷锟斤拷锟紻锟介，

锟斤拷锟斤拷锟竭烇拷m锟斤拷斜锟斤拷锟较硷拷锟斤拷锟絓(y锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷锟絓(y锟斤拷n)锟斤拷規(gu锟斤拷)锟斤拷L=at2锟斤拷t=

锟斤拷锟斤拷a锟斤拷锟斤拷斜锟芥方锟斤拷纸锟斤拷水平锟斤拷锟絈直锟斤拷锟斤拷

锟斤拷锟斤拷f=max=ma·cosα=mcosαN=(M+m)g-may=(M+m)g-2mlsmα/t2

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絵锟絕锟教匡拷锟皆匡拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絕锟教斤拷锟斤拷锟斤拷锟斤拷模锟斤拷锟角斤拷锟絵锟絇(gu锟斤拷n)锟絀锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟絎(xu锟斤拷)锟斤拷(x锟斤拷)锟斤拷锟斤拷知锟絉锟斤拷锟絕锟斤拷锟斤拷一锟斤拷锟絖锟絣(f锟斤拷)思锟絊锟斤拷锟斤拷锟紹(y锟斤拷ng)锟斤拷锟絅锟斤拷锟斤拷锟斤拷锟絕锟教ｏ拷锟斤拷锟斤拷锟斤拷芊锟斤拷]式锟絎(xu锟斤拷)锟斤拷(x锟斤拷)锟斤拷锟斤拷锟絏思锟絊锟斤拷锟斤拷锟斤拷Z锟皆诧拷锟杰凤拷锟絔锟斤拷要锟絖锟脚ｏ拷锟絖锟斤拷锟斤拷指锟斤拷锟絥锟斤拷锟絎(xu锟斤拷)锟斤拷(x锟斤拷)锟斤拷要锟絁(r锟斤拷n)锟斤拷锟絰锟絥锟斤拷锟斤拷锟絥锟斤拷锟较的圖锟斤拷锟斤拷锟斤拷锟絵锟斤拷锟斤拷锟斤拷锟斤拷(x锟斤拷)锟絵锟酵咃拷锟斤拷锟斤拷x锟斤拷锟较讹拷锟斤拷(y锟斤拷ng)锟絁(r锟斤拷n)锟斤拷锟斤拷锟絰锟斤拷要锟斤拷锟紻锟斤拷锟絵锟斤拷锟斤拷锟街冿拷(n锟斤拷i)锟斤拷锟紹系锟斤拷锟斤拷锟缴烇拷一锟斤拷锟斤拷锟絯锟斤拷锟絖锟斤拷之锟斤拷锟斤拷锟斤拷锟较庯拷锟絎(xu锟斤拷)锟斤拷(x锟斤拷)锟斤拷锟斤拷锟斤拷锟絥注锟斤拷聽锟絭锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絏锟斤拷锟节诧拷锟斤拷锟斤拷思锟斤拷锟絊锟斤拷锟较庯拷锟紻(zhu锟斤拷n)(锟斤拷锟斤拷锟叫�锟�(d锟斤拷)锟斤拷見锟斤拷)锟斤拷锟桔讹拷锟斤拷锟斤拷锟节帮拷锟絖锟斤拷锟斤拷锟斤拷聽還锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷要锟斤拷锟�(锟斤拷锟斤拷指锟絤锟斤拷(d锟斤拷ng)锟絇記锟斤拷锟斤拷锟絥锟矫撅拷锟斤拷(x锟斤拷))锟斤拷锟斤拷锟斤拷锟絚锟较庯拷锟斤拷锟斤拷(y锟斤拷ng)锟斤拷锟絚锟较庯拷锟斤拷锟斤拷锟斤拷锟絥锟矫時锟絞锟斤拷锟斤拷锟斤拷锟�锟斤拷锟絖锟斤拷之锟斤拷锟斤拷锟斤拷同锟絎(xu锟斤拷)锟斤拷锟絎(xu锟斤拷)锟斤拷(x锟斤拷)锟斤拷锟斤拷同锟絎(xu锟斤拷)锟斤拷锟斤拷锟洁交锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟紷锟斤拷锟叫嗭拷锟絵锟缴硷拷锟絩锟斤拷Q锟斤拷锟斤拷尾锟斤拷锟斤拷锟斤拷锟斤拷同锟絎(xu锟斤拷)锟斤拷锟斤拷還锟斤拷锟皆伙拷锟斤拷锟斤拷锟絣(f锟斤拷)锟斤拷锟节诧拷同锟絕锟絚(di锟斤拷n)锟斤拷論锟絩锟斤拷锟斤拷锟斤拷锟节硷拷锟筋對知锟絉锟斤拷锟斤拷锟斤拷锟斤拷同锟絎(xu锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟较庯拷锟斤拷論锟斤拷锟斤拷锟斤拷同锟絎(xu锟斤拷)锟斤拷論锟絪锟斤拷锟皆筹拷锟絖思锟诫，锟斤拷职l(f锟斤拷)锟絔锟皆硷拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絖锟斤拷之锟斤拷锟斤拷锟斤拷锟絥锟斤拷锟絰锟斤拷W(xu锟斤拷)锟斤拷(x锟斤拷)锟斤拷锟斤拷锟絰锟斤拷(b锟斤拷o)锟斤拷锟絪志锟斤拷聽锟斤拷聞锟絍锟斤拷锟酵匡拷锟揭曪拷r锟斤拷锟斤拷锟絇(gu锟斤拷n)锟斤拷锟斤拷知锟絉锟酵冿拷(n锟斤拷i)锟斤拷要锟斤拷锟斤拷锟斤拷順憋拷锟斤拷一锟斤拷锟紷些锟斤拷(n锟斤拷i)锟斤拷锟絚锟斤拷W(xu锟斤拷)锟絕锟斤拷锟斤拷些知锟絉锟斤拷锟絇(gu锟斤拷n)锟斤拷锟斤拷锟斤拷锟叫┲�锟絉锟斤拷還锟絔锟叫學(xu锟斤拷)锟斤拷锟斤拷锟紷锟接匡拷锟皆达拷锟組(j锟斤拷n)锟斤拷锟斤拷锟絃锟斤拷知锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟侥凤拷锟斤拷只锟角匡拷锟絯锟斤拷锟絭锟絎(xu锟斤拷)锟斤拷(x锟斤拷)锟斤拷锟斤拷锟侥凤拷锟斤拷锟斤拷锟戒實(sh锟斤拷)锟斤拷同锟铰癸拷(ji锟斤拷)锟斤拷锟斤拷同锟斤拷(n锟斤拷i)锟斤拷锟斤拷锟叫撅拷锟絯锟斤拷同锟侥學(xu锟斤拷)锟斤拷(x锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷W(xu锟斤拷)锟斤拷(x锟斤拷)锟斤拷锟絕锟斤拷也锟角學(xu锟斤拷)锟斤拷锟斤拷锟斤拷e锟桔碉拷锟絕锟教ｏ拷锟斤拷锟斤拷锟斤拷一锟絋锟斤拷锟絥锟絎(xu锟斤拷)锟絕去锟斤拷锟斤拷锟斤拷锟狡猴拷锟斤拷锟斤拷一锟絚(di锟斤拷n)锟絋锟斤拷锟斤拷锟紷锟絋锟斤拷锟斤拷[锟絋锟戒實(sh锟斤拷)锟斤拷锟角凤拷锟斤拷锟斤拷要锟斤拷锟斤拷(j锟斤拷)锟皆硷拷锟斤拷锟斤拷锟絚(di锟斤拷n)锟斤拷锟斤拷锟結(ji锟斤拷)锟斤拷锟斤拷锟斤拷锟皆硷拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟絇(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)锟斤拷锟斤拷锟絉锟斤拷

锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟絎(xu锟斤拷)锟矫革拷锟斤拷锟斤拷锟斤拷锟侥达拷锟斤拷