省力杠杆和费力杠杆
![粤教版六年级科学下册杠杆的平衡教程.ppt](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E830A661211E354A241FF2A496530715865DC0EFFFBBAFDAA306EB06615D7992E650F4E3DD83E3F5721F9EEDE368418C723ED225D057810F84DA8B948FAD69ABA50B022C28D036AA5F92776FFAA80DC071E)
粤教版六年级科学下册杠杆的平衡教程.ppt
图片尺寸960x720![比较下面两件工具它们是省力杠杆还是不省力杠杆?](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73C0F91E05F124EA482FB393011A7BE108B75F6326727CA1997D59EDABFF0E6ED15A56AB44090E7AB618DADCAE447DC5EC2C9C8CC9B6CC1EC7B51FD5158EE9ACE7547C01A3040AAB085EB934CA565611B3)
比较下面两件工具它们是省力杠杆还是不省力杠杆?
图片尺寸1080x810![到底哪些是省力杠杆,哪些是费力杠杆?](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E99829634435F90870605F5780F89C269355DCE85BC98E6553C643F1809499293B521196755C9FFFADE1F85FEA0DA3F50E491C8BF78CAA69B7FABE5973DEB238704FDE76D8464DB09D0FCA790135229C65)
到底哪些是省力杠杆,哪些是费力杠杆?
图片尺寸690x571![省力杠杆 火钳 费力杠杆 瓶盖起子 省力杠杆 镊子 费力杠杆 省力杠杆](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73627274E6FA870DFF4FD74F8D0D1BF04CA884225AFA1F0B0D18B5794D8CB93DD4C30C63B96F965C23E22332713ED8918B1CFA0BC44B5807136C873A2B0ED256E1BC7C48D93EC5DAD17D10B0EDA88376AF)
省力杠杆 火钳 费力杠杆 瓶盖起子 省力杠杆 镊子 费力杠杆 省力杠杆
图片尺寸1080x810![指甲剪的哪些部分为省力杠杆,费力杠杆?](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83CF3797E6533028897D26367FB0C560DCD466AD55D4F65015576FB3C3929E88551EC4DB37F6E9039E070BF8951C3AEC14AFF216D56A8836A7B8CE0C81B9DFEC12FD972F93E393E7FEA436A8D650115CA0)
指甲剪的哪些部分为省力杠杆,费力杠杆?
图片尺寸288x568![省力;费力](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9CB6BCE2010AEF14574FF9991D430249B16798001E7DDD622A5E245F96AEBF88D75ECB3606BB381CE9B474765C37BF3D6D44E25CC45CB06F4096E685B9281D5FCF11D1DBD871135821472364ACA5CC507)
省力;费力
图片尺寸308x432![8年级省力杠杆与费力杠杆复习题](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9FC864F2BB05FF55AC1BCB399568492ED61860B4BA97A2D39F5C2D7F39B1D6387786E773A344DDAB586C249746C7DB77A2C9AFC2A5D2AD0BD5C5C94BA7DB2D433B632CC568005D72E3F8254FE47D5B9AB)
8年级省力杠杆与费力杠杆复习题
图片尺寸920x1303![l1 o l2 f2 f1 f1 f2 l1 o l2 省力杠杆 f2 l2 l1 o l2 费力杠杆 o l1](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73BFE4B2D45DC64FE2439E534B61647494BC32C479ABCB6C7BEE64EA822259BCFCAF59CD53E5236D1AC26FC8DC131207DBFED9444749FF47F095B5AA39F41ABC4F46E08D5FA807F12285406A4729CB87E8)
l1 o l2 f2 f1 f1 f2 l1 o l2 省力杠杆 f2 l2 l1 o l2 费力杠杆 o l1
图片尺寸1080x810![mp4区分省力杠杆,费力杠杆,等臂杠杆.mp43.4简单机械(第2课时)(课件).](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83C22CB87CF74B6E91B02E06484467B510B4186370CD590344202332E3FF3F57D4BC7FFA3019747762962530594BE2848BF84B089A8412CC562016112220246955546D88B4DFA14F2D7A9CD121D075B132)
mp4区分省力杠杆,费力杠杆,等臂杠杆.mp43.4简单机械(第2课时)(课件).
图片尺寸794x446![镊子为什么属于费力杠杆?给图](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A735A6A3278EBB774054B0E0A690107A1A8AA94F1A4F9881CDAE15B762FA27BB8337202AEC18D37FDDBE8CF141E731DA9916B73EBB7C3FBEAEC16CF2E74E3C658F39FC833696F48BE1ABD733BBB7AA921E7)
镊子为什么属于费力杠杆?给图
图片尺寸484x384![【题文】分别标出下图中这些"杠杆"的支点,用力点和阻力点. _百度教育](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A7307C4D432182EA0F96A4298E7A15503C4491AE77E91CC44605A677412CA3C317B82DE0F96BF9957C67143CED09667E11E3BC50ADE289C1953A7FEE83C218338643743FED9CC8127136941320B2666F2F7)
【题文】分别标出下图中这些"杠杆"的支点,用力点和阻力点. _百度教育
图片尺寸504x219![找出费力,省力杠杆和支点,动力,阻力作用点](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9422EA3C66B44A9F5C34922848F2DA335DA09C69EE573BC375F4AE7CB40A0EEFAF2CCC55A42938CC110E36D5A5BAF95D5436666295520B3E11EFF98F16405D6ADBF21E60EABA30EFB69DA9A86CD7EC175)
找出费力,省力杠杆和支点,动力,阻力作用点
图片尺寸1024x615![你认为下列图中的杠杆,哪个是省力杠 杆?哪个是费力杠杆?依据是什么?](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A739DCAF01D215B201AF9F445FE5B6DA356E4C78C3D02C154239ADBA8ED99972705C3F873C4672F9EC085557E99EC6D183BEF09E2360B55547D14A0BA6E426A5EC71AD268326A787E0D8B4AE83175FBB699)
你认为下列图中的杠杆,哪个是省力杠 杆?哪个是费力杠杆?依据是什么?
图片尺寸1080x810![判断 f2 l2 f1 l1 o 费力杠杆](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83B44E9C8FEF872F0179C52C8816392BDB8A9E32E260B931EE82260D41EF5D75288B02797A1024AB2D7644D449FF60575026DB0909B8179086FA6B0205DC367F73A50BA4BBEAB4943C949781BA2BA376B5)
判断 f2 l2 f1 l1 o 费力杠杆
图片尺寸1080x810![分别是省力杠杆还是费力杠杆?](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73C875FF4E322C88589E589FF9E89F47F8814FD902F890A2BF139C152CF3FCE90D935EFC0584B70822CDEBA060D550089C2EA0471650CE1011CA1C6B94BE23A0BB021A454AC16B09867F4380DABFA0A5C2)
分别是省力杠杆还是费力杠杆?
图片尺寸467x388![挑战:找出图中的费力杠杆—— 火钳 筷子](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9CB07372D90249C2A5FC7188ADD7648D9907FED9A4E84B25709208382690F6EDC1D6AA6248F2FB88AB612954AA51917D346D32F89032B8EE80C849A1BC5E50F696AAC8F0BFDB69AF09B9D7024656FB15E)
挑战:找出图中的费力杠杆—— 火钳 筷子
图片尺寸1080x810![下图工具中,省力杠杆是__________;费力杠杆是__________;等臂杠杆是](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E833180CFF72BFBF549B024FA0C4CAA01E4C0C52E17244B5E1C7A3CD3F775429699FFFE81779589053F937A04C518EF16B708CFD666A1AE87596848D2777B6258AF1AFB0C7360A10F38E072F3247FADD2A4)
下图工具中,省力杠杆是__________;费力杠杆是__________;等臂杠杆是
图片尺寸1563x1055![第3节认识简单机械——杠杆(ly)ppt](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E92AF3BA0B39365EA7358F57B52048AA0F623487FDCE44BED372B6D06D213B8BC80ABDF52F465EF6BC0DE94D2A4EFBA26C1C5F61F746A8565837FDE68712C86DEDDFE0D82A71F89A08DEBCA4283943315E)
第3节认识简单机械——杠杆(ly)ppt
图片尺寸1080x810![(2015·淄博模拟)如图所示的器具,属于省力杠杆的是( b](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E832D8FA901B787B6ACA99F1FF3C7945249093FFC6F5359CB4BCCE5A4DAE703970A9A261B7DAE26E79EFAE0979B9D42A547C879E25A2D8F33106F1DB5C46D857391D33ADD50935C1E2BEB2FB9467DF7B5C0)
(2015·淄博模拟)如图所示的器具,属于省力杠杆的是( b
图片尺寸1440x810![阻力点,支点,用力点,阻力点,这三个杠杆类工具,哪个省力,哪个费力?](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9E609066F805F0A8AC6D1A56566E11C2B7C0AE9DCA83D759556FFA8868058716DD069EFE5572BCBB8CB21B4C67AB384E7926316FD75987AAB18A1EBDA0CD793C7A9F729BBABD03987554C7D544D74E9BF)
阻力点,支点,用力点,阻力点,这三个杠杆类工具,哪个省力,哪个费力?
图片尺寸920x690