22《摩擦力》教學(xué)案(含答案)

經(jīng)典word整理文檔，僅參考，雙擊此處可刪除頁(yè)眉頁(yè)腳。本資料屬于網(wǎng)絡(luò)整理，如有侵權(quán)，請(qǐng)聯(lián)系刪除，謝謝！灤南縣長(zhǎng)寧中學(xué)張澤輝2016講摩擦力)·FF。fFF。fN)))))))]2.(2016·ABA和BB()B1灤南縣長(zhǎng)寧中學(xué)張澤輝2016B對(duì)AAA選DBBAA對(duì)BB對(duì)A項(xiàng)BACD]F()F選ADFmmABf總總mμFC總]()選CF，fNFCf乙·AA()2灤南縣長(zhǎng)寧中學(xué)張澤輝2016AAAAAAAA選DAFDfCBABC()B受CCCBC選CmmBCAABCFFθBCCTBFFDTC3”3灤南縣長(zhǎng)寧中學(xué)張澤輝2016FfF合mmF0()m00mmm00mm0]m0mmFF＝0mmmmff00DmAmC00]1.(2016·mPm12μP1μ()2μmgμmg1221μmmgμmμmg1121221選Bμm21應(yīng)BmFM()Fg選θ4灤南縣長(zhǎng)寧中學(xué)張澤輝2016F故ABCDFfN3FFfNN3ABC(F>FFFF<F)CABCABFFFABC選C由知Fμ和FCNN](2016·BABθC()BABAθA與Bθ選BθCACA對(duì)BBACABBA與B間BDBN和NB2cm1NBF()5灤南縣長(zhǎng)寧中學(xué)張澤輝2016A8NANB9NB7N]FAFFF1AAF8塊BFFFF812BB2BF1NFB2B′F9ACB2]](2016·BBAA0kBtt()12BBBμBμ]當(dāng)BBF、fm1BFF(ttB、2fm21Bμ和μD]A1，從0v1N0Ff)2]F2；f1N1A]A6灤南縣長(zhǎng)寧中學(xué)張澤輝2016()選DDBBAB()BBB選CAA于AABBBABBCD(2016·F和Ff1f2()FFFFf1f2f1f2f2f2FFFFf1f2f1FFFFf1f2f1FFFFf1f2f1f2選CFf17灤南縣長(zhǎng)寧中學(xué)張澤輝2016FFF。f2f1f2DCmm0Fmμm與mμ)102μμmg110μDμmg220選BFFm＋fN0μμmmB110(2016·θθ()選CF，NFCfBBxx。12F()fmFFFFfmxxfmxxfmfmxxxx12122121選CF，fmFlxFxl＝fmCxxfm01fm2021(2016·FF()G8灤南縣長(zhǎng)寧中學(xué)張澤輝2016F2G選D3F人2fF＝G＋車NF2F2GDCCC是tBF0f()選BB5GGFABNG2力FF和FFF＝FFFGCf1212f12C′Bf(2016·NNF()NN8N4N選DFF及＝fF8FFf44DMF()9灤南縣長(zhǎng)寧中學(xué)張澤輝2016MM選BFFfNBDCmMFμ1μ()2μ1μmg2>μg2F選ABCD12.(2016·()選GFfFFNfFDN10灤