配套习题- 巧解复杂切割问题 -【青果学院】

挑战习题

1/5单选题

难度：

甲、乙两个实心正方体分别放在水平地面上，它们对水平地面的压强相等，且ρ_甲＞ρ_乙. 若在它们右侧沿竖直方向分别切去一部分，且切去部分的体积相同，则它们对地面压力变化量△F_甲、△F_乙的大小关系和它们对地面压强变化量△p_甲、△p_乙的大小关系分别是（　　）

A	△F_甲＞△F_乙，△p_甲＞△p_乙
B	△F_甲＜△F_乙，△p_甲=△p_乙
C	△F_甲=△F_乙，△p_甲＜△p_乙
D	△F_甲＞△F_乙，△p_甲=△p_乙

提示1：: PHA+6YeH55So5oCd57u05a+85Zu+5rOVPGJyPjwvcD4=

提示2：: PHA+5Zug5Li65YiH5Y6755qE5L2T56ev55u45ZCM77yM5Y+Iz4E8c3ViPueUsjwvc3ViPu+8ns+BPHN1Yj7kuZk8L3N1Yj4sIOaJgOS7peS5meWIh+WOu+eahOmDqOWIhueahOi0qOmHj+Wwj++8jOWNs+WIh+WOu+eahOmHjeWKm+Wwj++8jOWNs+WOi+WKm+WPmOWMluWwj++8jOWboOatpOKWs0Y8c3ViPueUsjwvc3ViPu+8nuKWs0Y8c3ViPuS5me+8jDwvc3ViPjwvcD4=

提示3：: PHA+56uW55u05pa55ZCR5YiH5Y675pe277yM5Y6L5by65LiN5Y+Y77yM5omA5Lul5Y6L5by65Y+Y5YyW6YeP6YO95Li66Zu277yM5Y2z4pazcDxzdWI+55SyPC9zdWI+PeKWs3A8c3ViPuS5mTwvc3ViPjwvcD4=

正确答案：RA==

PGRpdj7ph4fnlKjmgJ3nu7Tlr7zlm77ms5XvvIzlm6DkuLrliIfljrvnmoTkvZPnp6/nm7jlkIzvvIzlj4jPgTxzdWI+55SyPC9zdWI+77yez4E8c3ViPuS5mTwvc3ViPizmiYDku6XkuZnliIfljrvnmoTpg6jliIbnmoTotKjph4/lsI/vvIzljbPliIfljrvnmoTph43lipvlsI/vvIzljbPljovlipvlj5jljJblsI/vvIzlm6DmraTilrNGPHN1Yj7nlLI8L3N1Yj7vvJ7ilrNGPHN1Yj7kuZnvvIw8L3N1Yj7lj4jnq5bnm7TmlrnlkJHliIfljrvml7bvvIzljovlvLrkuI3lj5jvvIzmiYDku6XljovlvLrlj5jljJbph4/pg73kuLrpm7bvvIzljbPilrNwPHN1Yj7nlLI8L3N1Yj494pazcDxzdWI+5LmZPC9zdWI+PC9kaXY+

提示0/3

查看答案

提交

2/5单选题

难度：

2.如图所示，甲、乙两个均匀实心正方体放在水平地面上，已知它们对地面的压强相等. 若沿水平方向切去某一厚度，使甲、乙对地面的压力相同，则此时它们对地面的压强p_甲、p_乙和切去的厚度△h_甲、△h_乙的关系是（　　）青果学院

A	p_甲＞p_乙，△h_甲=△h_乙
B	p_甲＜p_乙，△h_甲＞△h_乙
C	p_甲＜p_乙，△h_甲=△h_乙
D	p_甲＜p_乙，△h_甲＜△h_乙

提示1：: IOWIh+WOu+WQjuWOi+WKm+ebuOWQjO+8jOeUsueJqeS9k+eahOW6lemdouenr+Wkp++8jOaJgOS7peWOi+W8uuWwj+OAgg==

提示2：: IOayoeWIh+WJje+8jOWIpOaWreWTquS4gOS4queJqeS9k+mHjeWKm+Wkp++8nw==

提示3：: IOmHh+eUqOaegeWAvOazle+8jOWboOS4uueUsueahOmHjeWKm+Wkp++8jOWBh+iuvuS4jeWIh+S5me+8jOaKiueUsuWIh+WOu+afkOS4gOWOmuW6pu+8jOWNs+WPr+S9v+Wug+S7rOWvueWcsOWOi+WKm+ebuOWQjOOAguaJgOS7peKWs2g8c3ViPueUsjwvc3ViPu+8nuKWs2g8c3ViPuS5meOAgjwvc3ViPg==

正确答案：Qg==

PGRpdj7liIfljrvlkI7ljovlipvnm7jlkIzvvIznlLLniankvZPnmoTlupXpnaLnp6/lpKfvvIzmiYDku6XljovlvLrlsI/vvIzljbNwPHN1Yj7nlLI8L3N1Yj7vvJxwPHN1Yj7kuZnjgII8L3N1Yj4g5rKh5YiH5YmN77yM5qC55o2u5Y6L5Yqb562J5LqO5Y6L5by65LmY5Lul5Y+X5Yqb6Z2i56ev77yM5Y+v55+l55Sy55qE6YeN5Yqb5aSn44CCIOmHh+eUqOaegeWAvOazle+8jOWboOS4uueUsueahOmHjeWKm+Wkp++8jOWBh+iuvuS4jeWIh+S5me+8jOaKiueUsuWIh+WOu+afkOS4gOWOmuW6pu+8jOWNs+WPr+S9v+Wug+S7rOWvueWcsOWOi+WKm+ebuOWQjOOAguaJgOS7peKWs2g8c3ViPueUsjwvc3ViPu+8nuKWs2g8c3ViPuS5meOAgjwvc3ViPjwvZGl2Pg==

提示0/3

查看答案

提交

3/5单选题

难度：

如图所示，质量相同的实心均匀正方体甲、乙分别放置在水平地面上. 若沿水平方向切去某一厚度，使甲、乙对地面的压力相同，则此时它们对地面的压强p_甲、p_乙和切去的厚度h_甲、h_乙的关系是（　　）青果学院

A	p_甲＞p_乙，h_甲=h_乙
B	p_甲＜p_乙，h_甲＞h_乙
C	p_甲＜p_乙，h_甲=h_乙
D	p_甲＜p_乙，h_甲＜h_乙

提示1：: PHA+6YeH55So54m55q6K5YC85rOVPC9wPg==

提示2：: PHA+6K6+6YO95YiH5Y675ZCE6Ieq5LiA5Y2K55qE5Y6a5bqmPC9wPg==

提示3：: PHA+5Zug5Li65Y6f5p2l6LSo6YeP55u45ZCM77yM5YiH5Y675LiA5Y2K5Lul5ZCO77yM6LSo6YeP5LuN55u45ZCM77yM5omA5Lul5Y6L5Yqb5LuN55u45ZCM77yM5Y+I55Sy55qE5bqV6Z2i56ev5aSn77yM5omA5Lul5Y6L5by65bCP77yM55Sy55qE6L656ZW/5aSn77yM5omA5Lul5YiH5Y6755qE5Y6a5bqm5Lmf5aSn44CCPC9wPg==

正确答案：Qg==

PGRpdj7ph4fnlKjnibnmrorlgLzms5XvvIzorr7pg73liIfljrvlkIToh6rkuIDljYrnmoTljprluqbvvIzlm6DkuLrljp/mnaXotKjph4/nm7jlkIzvvIzliIfljrvkuIDljYrku6XlkI7vvIzotKjph4/ku43nm7jlkIzvvIzmiYDku6Xljovlipvku43nm7jlkIzvvIzlj4jnlLLnmoTlupXpnaLnp6/lpKfvvIzmiYDku6XljovlvLrlsI/vvIznlLLnmoTovrnplb/lpKfvvIzmiYDku6XliIfljrvnmoTljprluqbkuZ/lpKfjgII8L2Rpdj4=

提示0/3

查看答案

提交

4/5单选题

难度：

4.如图所示，甲、乙两个实心正方体对水平面的压强相同，边长a_甲=2a_乙. 如果沿竖直方向将甲、乙分别切去厚度为各自边长1 /4 的部分，然后将甲切去部分叠放在乙的剩余部分上，将乙切去部分叠放在甲的剩余部分上，此时甲对水平面的压强p_甲，乙对水平面的压强p_乙，甲对水平面的压力F_甲，乙对水平面的压力F_乙，下列判断正确的是（　　）青果学院

A	p_甲＞p_乙
B	p_甲＜p_乙
C	F_甲＜F_乙
D	F_甲=F_乙

提示1：: IOmHh+eUqOeJueauiuWAvOazle+8jOS4uuS6huaWueS+v+iuoeeul++8jOagueaNruWug+S7rOi+uemVv+eahOWFs+ezu++8jOiuvueUsueahOi+uemVv+S4ujTvvIzkuZnnmoTovrnplb/kuLrkuoYy77yMDQo=

提示2：: IOWImeeUsueahOW6lemdouenr+S4ujE2IO+8jOS5meeahOW6lemdouenr+S4ujTvvIzlj4jljovlvLrnm7jnrYnvvIzliJnlj6/lvpfvvIznlLLnmoTph43lipvkuLoxNu+8jOS5meeahOmHjeWKm+S4uuS6hjTjgII=

提示3：: IOeEtuWQjuaMiemimOS4reaJgOimgeaxguWOu+S7o+WFpei/m+ihjOavlOi+g+WPr+W+l++8jHA8c3ViPueUsjwvc3ViPu+8nHA8c3ViPuS5me+8jDwvc3ViPkY8c3ViPueUsjwvc3ViPu+8nkY8c3ViPuS5mTwvc3ViPuOAgg==

正确答案：Qg==

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

提示0/3

查看答案

提交

5/5单选题

难度：

如图所示，甲、乙两个正方体（V_甲＞V_乙）分别放在水平地面上，它们对地面的压强相等，若按虚线切除等高的上面部分，剩余部分对地面的压强分别为p₁和p₂，下列说法正确的是（　　）

A	p₁>p₂
B	p₁=p₂
C	p₁<p₂
D	无法判断

提示1：: PHA+6YeH55So5p6B5YC85rOV6Kej6aKYPGJyPjwvcD4=

提示2：: PHA+5YiH5Y6755qE6auY5bqm5YGH6K6+5Li65LmZ55qE6auY5bqm77yM5Y2z5LmZ5YWo6YOo5YiH5Y67PGJyPjwvcD4=

提示3：: PHA+5YiH5Y675ZCO77yM5LmZ55qE5Y6L5by65Y+Y5Li66Zu277yM6ICM55Sy5LiN5Li66Zu2PC9wPg==

正确答案：QQ==

PHA+6YeH55So5p6B5YC85rOVIO+8jOiuvuWIh+WOu+eahOmrmOW6puWBh+iuvuS4uuS5meeahOmrmOW6puWkh++8jOWIh+WOu+WQju+8jOS5meeahOWOi+W8uuWPmOS4uumbtu+8jOiAjOeUsuS4jeS4uumbtuOAguaJgOS7pXA8c3ViPjE8L3N1Yj4mZ3Q7cDxzdWI+Mjwvc3ViPu+8jOmAieaLqUHpgInpobnjgII8YnI+PC9wPg==

提示0/3

查看答案

提交