首页
如图所示,正常使用时属于费力机械的是A.定滑轮B.扳子C.镊子D.自行车的车把
试题详情
如图所示,正常使用时属于费力机械的是( )
A.
![](https://img.xintiku.com/upload/98/c7/98c7c67308f81ae1b635cf19fa938610.png)
定滑轮
B.
![](https://img.xintiku.com/upload/a4/fd/a4fdc2f5c2c719f71e46a4498e99b828.png)
扳子
C.
![](https://img.xintiku.com/upload/4c/81/4c818be2cddcee93aa57c0b35c8448a1.png)
镊子
D.
![](https://img.xintiku.com/upload/47/71/4771398020b153670011aaf51101b730.png)
自行车的车把
相关试题
-
如图所示,正常使用时属于费力机械的是( )
A.![](https://img.xintiku.com/upload/98/c7/98c7c67308f81ae1b635cf19fa938610.png)
定滑轮
B.![](https://img.xintiku.com/upload/a4/fd/a4fdc2f5c2c719f71e46a4498e99b828.png)
扳子
C.![](https://img.xintiku.com/upload/4c/81/4c818be2cddcee93aa57c0b35c8448a1.png)
镊子
D.![](https://img.xintiku.com/upload/47/71/4771398020b153670011aaf51101b730.png)
自行车的车把
-
如图所示,正常使用时属于费力机械的是( )
A.![](https://img.xintiku.com/upload/a2/43/a2435c601495c61552374237e2af26ac.png)
定滑轮
B.![](https://img.xintiku.com/upload/1a/72/1a72714d06f9a443bc9fc753fae72a4f.png)
扳子
C.![](https://img.xintiku.com/upload/96/64/966436a36d6a0c5c4ae95f7ff8f45c08.png)
镊子
D.![](https://img.xintiku.com/upload/c0/98/c0988666193509223d0f5a41ef2e8699.png)
自行车的车把
-
如图所示,正常使用时属于费力机械的是( )
A.![](https://img.xintiku.com/upload/2e/70/2e70008ad502753e16456df085037fd2.png)
定滑轮
B.![](https://img.xintiku.com/upload/a7/9b/a79bd79cae49e943e6e6c8cf1efdd8dd.png)
扳子
C.![](https://img.xintiku.com/upload/29/71/2971647a1aadbe8844a61f3fe4c634fd.png)
镊子
D.![](https://img.xintiku.com/upload/98/27/98270f25842688ba0793423f2eb54993.png)
自行车的车把
-
如图所示,正常使用时属于费力机械的是( )
A.![](https://img.xintiku.com/upload/68/7d/687d07b27277ce449cd46414338ee8c3.png)
定滑轮
B.![](https://img.xintiku.com/upload/73/74/73747810958157a72696e61bfc92d2f0.png)
扳子
C.![](https://img.xintiku.com/upload/1e/95/1e95a2847d44179ed1ffff5a172a6ad6.png)
镊子
D.![](https://img.xintiku.com/upload/81/b6/81b6609c49f5f917ba3e2f7250e00b2d.png)
自行车的车把
-
如图所示,正常使用时属于费力机械的是( )
A.![](https://img.xintiku.com/upload/d8/8f/d88f9c54cd44180d28155dbd6141f9c1.png)
定滑轮
B.![](https://img.xintiku.com/upload/10/b9/10b9b364733072a5238cf96fd7ffbbe5.png)
扳子
C.![](https://img.xintiku.com/upload/d9/09/d909fb977f0129f81af96dcd0942001a.png)
镊子
D.![](https://img.xintiku.com/upload/e8/98/e898bf5d1db9e8b4f2c86c36ddd75a7e.png)
自行车的车把
-
如图所示,正常使用时属于费力机械的是( )
A.![](https://img.xintiku.com/upload/49/61/4961c475b2390033d7ababb68a35885c.png)
定滑轮
B.![](https://img.xintiku.com/upload/d7/e9/d7e943810de522120857eb3b252b161e.png)
扳子
C.![](https://img.xintiku.com/upload/e2/b2/e2b28571add4a06398be6e37218ac318.png)
镊子
D.![](https://img.xintiku.com/upload/00/93/00932b6016e1a71ff322429f1540e5f6.png)
自行车的车把
-
如图所示,正常使用时属于费力机械的是( )
A.![](https://img.xintiku.com/upload/a6/80/a680c3b8dddf47d112a9dea22f927930.png)
定滑轮
B.![](https://img.xintiku.com/upload/95/04/9504b6c4643fc1288671bd3ae69fd122.png)
扳子
C.![](https://img.xintiku.com/upload/50/1a/501a512b15038013630a6c0e85098a32.png)
镊子
D.![](https://img.xintiku.com/upload/a0/5b/a05bca857b39c6452ac9629dc51325e1.png)
自行车的车把
-
如图所示,正常使用时属于费力机械的是( )
A.![](https://img.xintiku.com/upload/ca/b5/cab523309bc0b75a64536df5881afd3e.png)
定滑轮
B.![](https://img.xintiku.com/upload/15/2d/152d058fb1abf9e667377eff68d1bf25.png)
扳子
C.![](https://img.xintiku.com/upload/a4/93/a493d83d725fc12d1dff14eb559a22eb.png)
镊子
D.![](https://img.xintiku.com/upload/c7/02/c7026f09fcd2325c1b307cffcdecce67.png)
自行车的车把
-
如图所示,正常使用时属于费力机械的是( )
A.![](https://img.xintiku.com/upload/6b/96/6b967c0634f934b1d05469c860de1020.png)
定滑轮
B.![](https://img.xintiku.com/upload/dd/e7/dde7414387c188f89db1672005f7f6c7.png)
扳子
C.![](https://img.xintiku.com/upload/43/02/4302f9f262ed8843862de18d18d648bf.png)
镊子
D.![](https://img.xintiku.com/upload/9d/9b/9d9b30a1323d191a9af075a7711183e3.png)
自行车的车把
-
如图所示,正常使用时属于费力机械的是( )
A.![](https://img.xintiku.com/upload/f7/96/f7969a904c8c1b6a596563ea598303e2.png)
定滑轮
B.![](https://img.xintiku.com/upload/34/85/348550dc7788628d0a8b3bcd2d3f101a.png)
扳子
C.![](https://img.xintiku.com/upload/2d/86/2d86a765252f9babb0d47f4859066a0d.png)
镊子
D.![](https://img.xintiku.com/upload/13/38/13388e469ba5a4da19b15b1958e1016d.png)
自行车的车把