配套习题- 判断省力杠杆和费力杠杆 -【青果学院】

1/5单选题

难度：

1.如图杠杆中，属于费力杠杆的是（　　）

A
B
C
D

正确答案：RA==

QeOAgeaSrOajkuWcqOS9v+eUqOi/h+eoi+S4re+8jOWKqOWKm+iHguWkp+S6jumYu+WKm+iHgu+8jOaYr+ecgeWKm+adoOadhi4gPGJyPkLjgIHot7fot7fmnb/nmoTnnIHotLnlipvlj5blhrPkuo7lsI/lranliLDmlK/ngrnnmoTot53nprvvvIzkuI3lpb3noa7lrpouIDxicj5D44CB5bCP5o6o6L2m5Zyo5L2/55So6L+H56iL5Lit77yM5Yqo5Yqb6IeC5aSn5LqO6Zi75Yqb6IeC77yM5piv55yB5Yqb5p2g5p2GLiA8YnI+ROOAgemxvOerv+WcqOS9v+eUqOi/h+eoi+S4re+8jOWKqOWKm+iHguWwj+S6jumYu+WKm+iHgu+8jOaYr+i0ueWKm+adoOadhi4gPGJyPuaVhemAiUQuIA==

2/5单选题

难度：

2.如图所示，所用杠杆属于费力杠杆的是（　　）

A
B
C
D

正确答案：QQ==

QeOAgemSk+mxvOerv+WcqOS9v+eUqOi/h+eoi+S4re+8jOWKqOWKm+iHguWwj+S6jumYu+WKm+iHgu+8jOaYr+i0ueWKm+adoOadhu+8mzxicj5C44CB55O255uW6LW35a2Q5Zyo5L2/55So6L+H56iL5Lit77yM5Yqo5Yqb6IeC5aSn5LqO6Zi75Yqb6IeC77yM5piv55yB5Yqb5p2g5p2G77ybPGJyPkPjgIHnga3ngavlkK/liqjlpLnlnKjkvb/nlKjov4fnqIvkuK3vvIzliqjlipvoh4LlpKfkuo7pmLvlipvoh4LvvIzmmK/nnIHlipvmnaDmnYbvvJs8YnI+ROOAgemSs+WtkOWcqOS9v+eUqOi/h+eoi+S4re+8jOWKqOWKm+iHguWkp+S6jumYu+WKm+iHgu+8jOaYr+ecgeWKm+adoOadhi4gPGJyPuaVhemAiUEuIA==

3/5单选题

难度：

3.下列杠杆中属于费力杠杆的是（　　）

A	修树剪
B	切纸铡刀
C	瓶盖起子
D	食品夹

正确答案：RA==

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

4/5单选题

难度：

4.下列杠杆中，属于费力杠杆的是（　　）

A	起子
B	道钉撬
C	筷子
D	钢丝钳

正确答案：Qw==

QeOAgei1t+WtkOeahOWKqOWKm+iHguWkp+S6jumYu+WKm+iHgu+8jOaYr+ecgeWKm+adoOadhu+8jOS4jeespuWQiOmimOaEj++8mzxicj5C44CB6YGT6ZKJ5pKs5Yqo5Yqb6IeC5aSn5LqO6Zi75Yqb6IeC77yM5piv55yB5Yqb5p2g5p2G77yM5LiN56ym5ZCI6aKY5oSP77ybPGJyPkPjgIHnrbflrZDliqjlipvoh4LlsI/kuo7pmLvlipvoh4LvvIzmmK/otLnlipvmnaDmnYbvvIznrKblkIjpopjmhI/vvJs8YnI+ROOAgemSouS4nemSs+WKqOWKm+iHguWkp+S6jumYu+WKm+iHgu+8jOaYr+ecgeWKm+adoOadhu+8jOS4jeespuWQiOmimOaEj++8mzxicj7mlYXpgIlDLiA=

5/5多选题

难度：

5.下列杠杆中，属于省力杠杆的是（　　）

A	起子
B	道钉撬
C	镊子
D	筷子

正确答案：QSxC

QeOAgei1t+WtkOWcqOS9v+eUqOi/h+eoi+S4re+8jOWKqOWKm+iHguWkp+S6jumYu+WKm+iHgu+8jOaYr+ecgeWKm+adoOadhu+8mzxicj5C44CB6YGT6ZKJ5pKs5Zyo5L2/55So6L+H56iL5Lit77yM5Yqo5Yqb6IeC5aSn5LqO6Zi75Yqb6IeC77yM5piv55yB5Yqb5p2g5p2G77ybPGJyPkPjgIHplYrlrZDlnKjkvb/nlKjov4fnqIvkuK3vvIzliqjlipvoh4LlsI/kuo7pmLvlipvoh4LvvIzmmK/otLnlipvmnaDmnYbvvJs8YnI+ROOAgeett+WtkOWcqOS9v+eUqOi/h+eoi+S4re+8jOWKqOWKm+iHguWwj+S6jumYu+WKm+iHgu+8jOaYr+i0ueWKm+adoOadhu+8mzxicj7mlYXpgIlBQi4g