锟斤拷锟斤拷g锟斤拷锟斤拷锟斤拷锟斤拷位锟斤拷锟斤拷示锟斤拷锟斤拷锟斤拷锟斤拷锟絴(zh锟斤拷)锟侥讹拷锟斤拷锟斤拷锟斤拷見锟斤拷還锟斤拷mg锟斤拷锟斤拷锟剿ｏ拷锟斤拷kg锟斤拷千锟剿ｏ拷锟斤拷t锟斤拷锟斤拷锟斤拷锟斤拷1000mg=1g锟斤拷1000g=1kg=1锟斤拷锟斤拷=2锟斤拷锟斤拷1t=1000kg锟斤拷

锟斤拷锟斤拷1锟斤拷锟斤拷锟斤拷锟劫讹拷g

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟劫讹拷锟斤拷锟斤拷锟斤拷W锟斤拷锟絶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w锟絘(ch锟斤拷n)锟斤拷锟侥硷拷锟劫讹拷锟斤拷锟絈锟斤拷锟斤拷锟斤拷锟斤拷锟劫讹拷锟斤拷锟斤拷锟斤拷锟絤锟斤拷示锟斤拷锟絯锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷锟斤拷g锟斤拷示锟斤拷锟斤拷锟斤拷锟劫度ｏ拷锟斤拷锟斤拷G锟缴憋拷示锟斤拷G=mg锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟劫讹拷锟角碉拷锟斤拷锟斤拷锟斤拷锟叫撅拷锟叫碉拷一锟斤拷锟斤拷锟斤拷矢锟斤拷锟斤拷也锟角岋拷一锟斤拷锟斤拷锟絎系锟統(t锟斤拷ng)锟組锟斤拷锟斤拷锟絎锟斤拷锟斤拷锟絩锟斤拷要锟斤拷锟絔锟斤拷一锟斤拷锟斤拷要锟斤拷锟斤拷(sh锟斤拷)锟斤拷锟节岋拷锟斤拷锟斤拷要锟斤拷锟角很高碉拷锟斤拷r锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟介常锟斤拷處锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絗锟斤拷锟絕小锟絩锟斤拷锟斤拷锟斤拷锟斤拷锟�锟斤拷锟斤拷院锟斤拷圆锟接�锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟教讹拷锟较減锟斤拷計锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟紿锟斤拷位锟斤拷锟斤拷锟斤拷锟斤拷千锟斤拷锟斤拷锟斤拷锟狡碉拷锟絴(zh锟斤拷)锟斤拷锟斤拷位锟斤拷也锟角囷拷锟紿锟斤拷位锟狡碉拷7锟斤拷锟斤拷锟斤拷锟斤拷位之一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�锟斤拷锟缴凤拷锟斤拷锟狡學院锟狡讹拷锟斤拷

锟斤拷锟斤拷原計锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟紺锟斤拷锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷位——锟剿的標滐拷锟斤拷锟斤拷锟斤拷锟斤拷楫旓拷r锟斤拷藝锟酵測锟斤拷锟斤拷锟絞(sh锟斤拷)锟斤拷锟睫ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟絴(zh锟斤拷)锟斤拷锟角克碉拷1000锟斤拷锟侥標滐拷锟斤拷锟斤拷锟斤拷千锟剿標滐拷原锟斤拷——锟紷也锟角囷拷锟紿锟斤拷位锟斤拷锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷位锟斤拷千锟剿讹拷锟斤拷锟角克碉拷原锟斤拷锟斤拷

锟斤拷锟斤拷2锟斤拷锟斤拷锟斤拷位锟斤拷什么

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷位锟斤拷一锟斤拷锟斤拷锟斤拷锟节讹拷锟斤拷锟斤拷锟斤拷锟斤拷锟劫度的嗭拷位锟斤拷锟斤拷號g锟斤拷G锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟絕(q锟斤拷)锟絜锟斤拷锟铰ｏ拷

锟斤拷锟斤拷锟斤拷锟筋不同

锟斤拷锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷示锟斤拷锟絯锟斤拷(n锟斤拷i)锟斤拷锟斤拷锟斤拷锟絴(zh锟斤拷)锟侥讹拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟节碉拷锟斤拷锟较碉拷锟斤拷锟絯锟斤拷锟节碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟杰碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷锟阶稱锟斤拷锟角岋拷锟斤拷锟斤拷锟侥讹拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷號锟斤拷同

锟斤拷锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷m锟斤拷示,锟斤拷锟斤拷锟斤拷G锟斤拷示锟斤拷g锟斤拷示锟斤拷锟斤拷锟絚锟絴(zh锟斤拷)锟斤拷锟侥憋拷值锟斤拷

锟斤拷锟斤拷锟斤拷位锟斤拷同

锟斤拷锟斤拷锟絴(zh锟斤拷)锟斤拷锟侥嗭拷位锟斤拷千锟斤拷(kg),锟斤拷锟斤拷锟侥嗭拷位锟斤拷牛锟紻(N).

锟斤拷锟斤拷锟角凤拷矢锟斤拷

锟斤拷锟斤拷锟絴(zh锟斤拷)锟斤拷锟紿锟叫达拷小,锟絔锟叫凤拷锟斤拷;锟斤拷锟斤拷锟斤拷锟斤拷锟叫达拷小,锟斤拷锟斤拷锟叫凤拷锟斤拷,锟揭凤拷锟斤拷锟斤拷锟絈直锟斤拷锟斤拷.

锟斤拷锟斤拷锟斤拷小锟絚锟斤拷锟斤拷位锟斤拷

锟斤拷锟斤拷同一锟斤拷锟絯锟斤拷锟轿猴拷位锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷小锟斤拷锟斤拷變,锟斤拷锟絯锟斤拷锟斤拷锟斤拷锟斤拷小锟斤拷锟絊锟斤拷锟斤拷位锟矫碉拷變锟斤拷锟斤拷變锟斤拷.

锟斤拷锟斤拷計锟姐公式

锟斤拷锟斤拷m=ρV, G=mg锟斤拷g锟絪锟斤拷锟斤拷9.8锟斤拷锟斤拷锟斤拷锟节地的猴拷锟轿诧拷同锟斤拷锟斤拷锟斤拷锟筋異锟斤拷一锟斤拷锟角猴拷锟斤拷越锟斤拷g锟斤拷越锟斤拷锟斤拷9.8锟斤拷锟斤拷之锟斤拷然锟斤拷锟介方锟斤拷锟斤拷見锟斤拷通锟斤拷锟斤拷r锟斤拷锟斤拷取g=10N/Kg锟斤拷锟組锟斤拷锟斤拷論計锟姐）

锟斤拷锟斤拷锟斤拷锟斤拷G(锟斤拷锟斤拷锟斤拷=m锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷g锟斤拷锟斤拷锟斤拷系锟斤拷(sh锟斤拷)锟斤拷

锟斤拷锟斤拷m(锟絴(zh锟斤拷)锟斤拷)=ρ锟斤拷锟杰度ｏ拷V锟斤拷锟絯锟絜锟斤拷

锟斤拷锟斤拷注锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷g 锟絪锟斤拷锟斤拷9.8N/Kg;锟介方锟斤拷計锟斤拷锟斤拷g锟叫時取10N/Kg.

锟斤拷锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷锟斤拷平锟酵秤測锟斤拷,锟斤拷锟斤拷锟矫忥拷锟缴測锟斤拷計锟斤拷y锟斤拷

锟斤拷锟斤拷锟斤拷锟絇锟斤拷锟絔锟斤拷

锟斤拷锟斤拷锟竭匡拷锟斤拷锟斤拷知锟絉锟絚锟絉锟斤拷

锟斤拷锟斤拷锟结純锟斤拷锟截結(ji锟斤拷)锟斤拷锟斤拷锟斤拷锟絣(f锟斤拷)锟結(ji锟斤拷)锟斤拷锟侥區(q锟斤拷)锟絜

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绞傦拷锟斤拷志愿锟斤拷锟斤拷取锟街旓拷(sh锟斤拷)锟斤拷锟斤拷

锟竭匡拷锟絩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

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