本课配套习题挑战模式1/5
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=
- 答案:RA==
PGRpdj7ph4fnlKjmgJ3nu7Tlr7zlm77ms5XvvIzlm6DkuLrliIfljrvnmoTkvZPnp6/nm7jlkIzvvIzlj4jPgTxzdWI+55SyPC9zdWI+77yez4E8c3ViPuS5mTwvc3ViPizmiYDku6XkuZnliIfljrvnmoTpg6jliIbnmoTotKjph4/lsI/vvIzljbPliIfljrvnmoTph43lipvlsI/vvIzljbPljovlipvlj5jljJblsI/vvIzlm6DmraTilrNGPHN1Yj7nlLI8L3N1Yj7vvJ7ilrNGPHN1Yj7kuZnvvIw8L3N1Yj7lj4jnq5bnm7TmlrnlkJHliIfljrvml7bvvIzljovlvLrkuI3lj5jvvIzmiYDku6XljovlvLrlj5jljJbph4/pg73kuLrpm7bvvIzljbPilrNwPHN1Yj7nlLI8L3N1Yj494pazcDxzdWI+5LmZPC9zdWI+PC9kaXY+
本课配套习题挑战模式2/5
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==
- 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==
本课配套习题挑战模式3/5
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( )
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==
- 答案:Qg==
PGRpdj7ph4fnlKjnibnmrorlgLzms5XvvIzorr7pg73liIfljrvlkIToh6rkuIDljYrnmoTljprluqbvvIzlm6DkuLrljp/mnaXotKjph4/nm7jlkIzvvIzliIfljrvkuIDljYrku6XlkI7vvIzotKjph4/ku43nm7jlkIzvvIzmiYDku6Xljovlipvku43nm7jlkIzvvIzlj4jnlLLnmoTlupXpnaLnp6/lpKfvvIzmiYDku6XljovlvLrlsI/vvIznlLLnmoTovrnplb/lpKfvvIzmiYDku6XliIfljrvnmoTljprluqbkuZ/lpKfjgII8L2Rpdj4=
本课配套习题挑战模式4/5
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==
- 答案:Qg==
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
本课配套习题挑战模式5/5
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==
- 答案:QQ==
PHA+6YeH55So5p6B5YC85rOVIO+8jOiuvuWIh+WOu+eahOmrmOW6puWBh+iuvuS4uuS5meeahOmrmOW6puWkh++8jOWIh+WOu+WQju+8jOS5meeahOWOi+W8uuWPmOS4uumbtu+8jOiAjOeUsuS4jeS4uumbtuOAguaJgOS7pXA8c3ViPjE8L3N1Yj4mZ3Q7cDxzdWI+Mjwvc3ViPu+8jOmAieaLqUHpgInpobnjgII8YnI+PC9wPg==