王中王一肖中特论坛财神

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剖析車輪與地面的摩擦力方向

更新時間2019-11-07 10:09:26  點擊次數:159次

ZIXINGCHE、TUOLAJI、QICHEDENGJIAOTONGGONGJUZAIDIMIANSHANGXINGSHISHI,QIANYINLILAIZIYUNALI?ZHESHITONGXUEMENGANDAOHENTOUTONGDEYIGEWENTI。ZHEXIEJIAOTONGGONGJUZAILUMIANSHANGXINGSHISHI,BINGBUXUYAOZAIQIANMIANYONGYIGEDONGXILAILAHUOZAICHEHOUYONGYIGEDONGXILAITUI(CHEZICHUGUZHANGSHILIWAI)。 NEIME,TAMENDEQIANYINLIDAODILAIZIYUNALINI?XIAMIANWOMENYIQILAIZUOYIGESHIYAN。

王中王一肖中特论坛财神 SHIYANQICAI:YILIANGZHUANGYOUDIANCHIDEDIANDONGWANJUCHE,YIXIEXIHESHA。

SHIYANGUOCHENG:①ZAISHUIPINGZHUOMIANSHANGYONGHESHAPUYITIAOCHANG30cm、KUAN20cm、HOU1mmZUOYOUDEDAOLU。②JIANGDIANDONGWANJUCHEDEDIANYUANDAKAI,ZHESHICHEDEHOULUNJIUZHUANDONGQILAILE(YANSHUNSHIZHENFANGXIANG)。③YONGSHOUNAZHUWANJUCHE,XIANRANGCHEDEHOULUNYULUMIANJIECHU,ZHESHITONGXUEMENBIANKEKANDAOYUHOULUNJIECHUDELUMIANSHANGDESHALIHUIBUDUANXIANGHOUMIANFEIJIAN(RUSHANGTU1SUOSHI),BUYIHUIER,SHALIJIUZAILUNZIHOUMIANDUIJILEYIGEXIAOSHANBAO,ERLUNZIYULUMIANDEJIECHUCHUQUEBEIBAOXIAYIGEKENG。④YONGSHOUNAZHUXIAOCHE,SHIQIQIANLUNYUDIMIANJIECHU,YONGLIXIANGQIANTUIDONGXIAOCHE(YOUYUQIANLUNBENSHENBUHUIZHUANDONG),ZHESHISUINENGKANDAOQIANLUNHUIZHUANDONG,DANFAXIANYUQIANLUNJIECHUCHUDESHALIBEITUIXIANGLEQIANFANG,TONGYANGXINGCHENGLEBIQITADIFANGGAODESHADUI(RUSHANGTU2DEBCHUSUOSHI)。

XIANXIANGFENXI:ZAITU1ZHONG,YOUYUYUHOULUNJIECHUCHUDESHALIWANGHOUYUNDONG,SHUOMINGHOULUNDEJIECHUCHUSHIXIANGHOUTUIDONGSHALI(LUMIAN)DE。GENJUWUTIJIANLIDEZUOYONGSHIXIANGHUDE,SHALI(LUMIAN)JIUXIANGQIANTUIDONGLUNZIDEJIECHUCHU,GUHOULUNSHOUDAODIMIANDEMOCASHIXIANGQIANDE,ZHEGEMOCALIJIUSHIWOMENPINGCHANGSUOSHUODECHEZIDEQIANYINLI。ZAITU2ZHONG,YOUYUQIANLUNJIANGJIECHUCHUDEDESHALIWANGQIANTUI,SHUOMINGQIANLUNSHIXIANGQIANTUILUMIAN,SUOYI,LUMIANJIUYIDINGSHIXIANGHOUTUIQIANLUN(JIDIMIANDUIQIANLUNDEMOCALISHIXIANGHOUDE),YINERQIANLUNYEJIUYANSHUNSHIZHENFANGXIANGZHUANDONGLE。

KEJIAN,XIAOCHEZAIDIMIANSHANGXINGSHISHI,QIANLUNSHOUDEMOCALISHIXIANGHOUDE(SHIZULI),ERHOULUNSHOUDAODIMIANDEMOCALISHIXIANGQIANDE(SHIDONGLI),YEJIUSHICHEZIDEQIANYINLI。

王中王一肖中特论坛财神 RUGUOWOMENBUKAIDONGWANJUCHEDEDIANYUAN,ERZHIJIEYONGSHOUTUIDONGCHEZIZAISHAMIANSHANGYUNDONG,ZHESHIHUIKANDAOQIAN、HOULUNDOUJIANGJIECHUCHUDESHALIWANGQIANTUI(RUTU3SUOSHI),SHIDELUNZIQIANMIANDESHALIGAOYUQITADIFANG。ZHESHI,XIAOCHEQIAN、HOULUNSHOUDAODIMIANDEMOCADOUSHIXIANGHOUDE。

王中王一肖中特论坛财神 YOUCIKEJIAN,DANGCHELUNZAIMEIYOUWAILI(ZHIFADONGJI、DIANDONGJIHUOQITADONGLIDAIDONG)QUSHITAZHUANDONGSHI,SUOSHOUDIMIANDEMOCADOUSHIXIANGHOUDE,DOUSHIZULI。BIRURENTUIZHUZIXINGCHEXINGZOU、ZAILUMIANSHANGHUAXINGDEQICHE,QIAN、HOULUNSHOUDAODIMIANDEMOCALIDOUSHIXIANGHOUDE;DANGRENQIZHUZIXINGCHEXIANGQIANXINGSHI(HOULUNQUDONG)、HUOQICHEQIDONGZHENGCHANGXINGSHI(HOULUNQUDONG),QIANLUNSHOUDEMOCALIDOUXIANGHOU,HOULUNSHOUDAODIMIANDEMOCALIDOUXIANGQIAN,ERTUOLAJI(6GELUNZI)ZAIXINGSHISHI,ZHIYOUZHONGJIANDENEILIANGGEDALUNZISHOUDIMIANDEMOCACAISHIXIANGQIANDE,QIYU4GELUNZISHOUDEMOCADOUSHIXIANGHOUDE。TEBIEZHIDEZHUYIDESHI,YOUXIEQICHE(SAICHE)XIANZAISHICAIYONGSILUNQUDONGDE,SUOYI,ZAIXINGSHIZHONGMEIGELUNZISUOSHOUDIMIANDEMOCADOUSHIXIANGQIANDE,JIDOUSHIDONGLI。

(編輯:admini)