本课配套习题挑战模式1/5
单选题
难度系数:
1.如图所示,划线部分有利于减小压强的是:()
A: |
B: |
C: |
D: |
一次做对,真牛!
+5奖励规则>
- 提示1:5Zyo5Y6L5Yqb5LiA5a6a5pe277yM5aKe5aSn5Y+X5Yqb6Z2i56ev5p2l5YeP5bCP5a+55pif55CD55qE5Y6L5by6
- 答案:Qw==
5ZWE5pyo6bif5pyJ6ZW/6ZW/55qE5bCW5Zi044CB6ICB6JmO5pyJ6ZSQ5Yip55qE54mZ6b2/44CB5pan5aS055qE5YiD77yM6YO95piv5Zyo5Y6L5Yqb5LiA5a6a5pe277yM5YeP5bCP5Y+X5Yqb6Z2i56ev5p2l5aKe5aSn5Y6L5by677yM5LiN56ym5ZCI6aKY5oSP77ybPGJyPueBq+aYn+aOoua1i+WZqOacieWuveWkp+eahOi9ruWtkO+8jOaYr+WcqOWOi+WKm+S4gOWumuaXtu+8jOWinuWkp+WPl+WKm+mdouenr+adpeWHj+Wwj+WvueaYn+eQg+eahOWOi+W8uu+8jOespuWQiOmimOaEj++8jjxicj7miYDku6XpgIlD77yO
本课配套习题挑战模式2/5
单选题
难度系数:
2.一个普通农民发明了塑料袋小提手,能防止双手被较重的塑料袋勒得发痛。使用这种小提手提塑料袋能
A: 减小对手的压强 |
B: 减小对手的压力 |
C: 增大对手的压强 |
D: 增大对手的压力 |
一次做对,真牛!
+5奖励规则>
- 提示1:5aKe5aSn5bCP5o+Q5omL5ZKM5omL5LmL6Ze055qE5Y+X5Yqb6Z2i56ev77yM5Y+v5Lul5YeP5bCP5aGR5paZ6KKL5a+55omL55qE5Y6L5by6
- 答案:QQ==
5Zyo5Y6L5Yqb5LiA5a6a5pe277yM5aKe5aSn5bCP5o+Q5omL5ZKM5omL5LmL6Ze055qE5Y+X5Yqb6Z2i56ev77yM5Y+v5Lul5YeP5bCP5aGR5paZ6KKL5a+55omL55qE5Y6L5by677yM5L2/5omL5oSf5Yiw6IiS5pyN77yO5pWFQeespuWQiOmimOaEj++8jEPkuI3lkIjpopjmhI/vvI48YnI+5aGR5paZ6KKL5a+55omL55qE5Y6L5Yqb77yM562J5LqO5aGR5paZ6KKL5Y+K5aGR5paZ6KKL5Lit54mp5L2T55qE6YeN77yM5aGR5paZ6KKL5Y+K5aGR5paZ6KKL5Lit54mp5L2T55qE6YeN5LiN5Y+Y77yM5Y6L5Yqb5LiN5Y+Y77yO5pWFQuOAgUTkuI3nrKblkIjpopjmhI/vvI48YnI+5omA5Lul6YCJQe+8jg==
本课配套习题挑战模式3/5
单选题
难度系数:
3.图展示了日常生活或生产技术中四种情境,其中哪种情境运用了增大压强的知识?
A: 滑雪 |
B: 细线分割肥皂 |
C: 螺丝连接工件 |
D: 拖拉机的履带 |
一次做对,真牛!
+5奖励规则>
- 提示1:5Zyo5Y6L5Yqb5LiA5a6a5pe277yM5YeP5bCR5Y+X5Yqb6Z2i56ev77yM6IO95aSf5aKe5aSn5Y6L5by6
- 答案:Qg==
QS7mu5Hpm6rmmK/lop7lpKflj5flipvpnaLnp6/vvIzlh4/lsI/ljovlvLrvvJvkuI3lkIjpopjmhI/vvJs8YnI+Qi7nu4bnur/liIblibLogqXnmoLmmK/lh4/lsI/lj5flipvpnaLnp6/vvIzlop7lpKfljovlvLrvvIznrKblkIjpopjmhI/vvJs8YnI+Qy7onrrkuJ3ov57mjqXlt6Xku7bmmK/lop7lpKflj5flipvpnaLnp6/vvIzlh4/lsI/ljovlvLrvvJvkuI3lkIjpopjmhI/vvJs8YnI+RC7mi5bmi4nmnLrnmoTlsaXluKbmmK/lop7lpKflj5flipvpnaLnp6/vvIzlh4/lsI/ljovlvLrvvJvkuI3lkIjpopjmhI/vvJs8YnI+5pWF6YCJQuOAgg==
本课配套习题挑战模式4/5
单选题
难度系数:
4.下列四幅图中,利用相关部件减小压强的是( )
A: |
B: |
C: |
D: |
一次做对,真牛!
+5奖励规则>
- 提示1:6ZOB6L2o5LiL6Z2i6ZO65p6V5pyo77yM5Y2z6YCa6L+H5aKe5aSn5o6l6Kem6Z2i56ev6ICM5YeP5bCP5Y6L5by6
- 答案:QQ==
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
本课配套习题挑战模式5/5
单选题
难度系数:
5.如图所示的实例中,目的是为了减小压强的是( )
A: 宽厚的履带 |
B: 冰刀的刃 |
C: 啄木鸟的嘴 |
D: 压路机装有很重的碾子 |
一次做对,真牛!
+5奖励规则>
- 提示1:5a695aSn55qE5bGl5bim77yM5Zyo5Y6L5Yqb5LiA5a6a5pe277yM5aKe5aSn5Y+X5Yqb6Z2i56ev5YeP5bCP5Y6L5by6
- 答案:QQ==
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