本课配套习题挑战模式1/5
一均匀物体漂浮在水面上,若将此物体露出水面部分截去,则余下部分将会( )
A: 下沉 |
B: 悬浮 |
C: 上浮 |
D: 都有可能 |
- 提示1:PHA+54mp5L2T5ryC5rWu5a+G5bqm5bCP5LqO5ray5L2T5a+G5bqm77yM5LiN566h5oCO5LmI5YiH77yM6YO95Lya5pyJ5LiA6YOo5YiG5ryP5Ye65p2l44CCPGJyPjwvcD4=
- 提示2:PHA+5omA5Lul5rC05LiK5YiH5o6J55qE6K+d77yM5LiL5Y2K6YOo5YiG5Lya5pyJ5LiA6YOo5YiG6KaB6Zyy5Ye65p2l5omN6IO95bmz6KGh44CCPGJyPjwvcD4=
- 提示3:PHA+5omA5LulLi4uLi4uLuWwseS4jemcgOimgeWcqOaPkOekuuS6huOAgjxicj48L3A+
- 答案:Qw==
PGRpdj7lnYfljIDniankvZPmvILmta7lnKjmsLTpnaLvvIzliJnniankvZPlr4bluqblsI/kuo7mtrLkvZPlr4bluqbvvIzlvZPmiKrlj5bkuIrooajpnaLml7bvvIzniankvZPkvJrkuIrmta7vvIzmnIDnu4jlpITkuo7mvILmta7nirbmgIEu5omA5Lul5Lya5pyJ5LiA6YOo5YiG6Zyy5Ye65p2l77yM562U5qGI5piv5LiK5rWu44CCPGJyPjwvZGl2Pg==
本课配套习题挑战模式2/5
如图所示,密度均匀的木块漂浮在水面上,现沿虚线将下部分截去,则剩下的部分将( )
A: 上浮一些 |
B: 下沉一些 |
C: 静止不动 |
D: 无法确定 |
- 提示1:PHA+5rK/6Jma57q/5oiq5o6J5ZKM5oqK5rC05LiL5YWo6YOo5oiq5o6J5ZCO77yM5Ymp5LiL6YOo5YiG6L+Q5Yqo5pa55ZCR5piv5LiA5qC355qE77yM5Y+q5piv5bmF5bqm5LiN5ZCM44CCPGJyPjwvcD4=
- 提示2:PHA+5p6B6ZmQ5rOV77ya5rC05LiL5YWo6YOo5oiq5o6J77yM5Ymp5LiL6YOo5YiG5LiN6IO95YWo5Zyo5rC06Z2i5LmL5LiK77yM5omA5Lul6KaB5LiL5rKJ5LiA5Lqb44CCPC9wPg==
- 提示3:PHA+5oyJ54Wn6KaB5rGC5oiq5o6J55qE6K+d77yM5Lmf5Lya5LiL5rKJ77yM5Y+q5piv5LiL5rKJ55qE5bmF5bqm5rKh5pyJ5rC05LiL5YWo6YOo5oiq5o6J55qE5bmF5bqm5aSn44CCPC9wPg==
- 答案:Qg==
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
本课配套习题挑战模式3/5
一个密度均匀的实心物体悬浮在水中,截取一半后,另一半将( )
A: 上浮 |
B: 下沉 |
C: 仍然悬浮 |
D: 不确定 |
- 提示1:PHA+5Z2H5YyA5a6e5b+D5LiU5oKs5rWu77yM54mp5L2T5a+G5bqm562J5LqO5ray5L2T5a+G5bqm44CCPC9wPg==
- 提示2:PHA+5omA5Lul5LiN566h5oCO5LmI5YiH77yM5YiH5oiQ5aSa5aSn77yM54mp5L2T5a+G5bqm5aeL57uI562J5LqO5ray5L2T5a+G5bqm44CCPC9wPg==
- 提示3:PHA+54mp5L2T5LuN54S25oKs5rWu5Zyo5rC05Lit44CCPC9wPg==
- 答案:Qw==
PGRpdj7niankvZPmgqzmta7lnKjmsLTkuK0s6K+05piO54mp5L2T5a+G5bqm562J5LqO5ray5L2T5a+G5bqmLOW9k+WIh+WJsuS7peWQjizlr4bluqbkuI3lj5gs5omA5Lul5LuN54S25oKs5rWuLjwvZGl2Pg==
本课配套习题挑战模式4/5
如图所示,密度均匀的木块漂浮在水面上,现沿虚线将下部分截去,则剩下的部分将( )
A: 木块上升,水面均下降, |
B: 木块和水面均下降, |
C: 木块和水面均上升, |
D: 木块下降,水面上升, |
- 提示1:PHA+5p6B6ZmQ5rOV77ya54mp5L2T6IKv5a6a5LiL6ZmN44CCPC9wPg==
- 提示2:PHA+5YiH5o6J5Lul5ZCOPGltZyBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0ZELzg1L3JCQUNGRk1KN1BYU2FlclZBQUFCa0ZKRlBjQTY2NC5wbmciIGRhdGEtY2tlLXNhdmVkLXNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvRkQvODUvckJBQ0ZGTUo3UFhTYWVyVkFBQUJrRkpGUGNBNjY0LnBuZyIgaGVpZ2h0PSI0MiIgd2lkdGg9IjE3Ij7lh4/lsI/vvIzmiYDku6XmtrLpnaLkuIvpmY3jgII8L3A+
- 提示3:PHA+5o6S5byA5ray5L2T5L2T56ev5YeP5bCP77yM5ray6Z2i5Lya5LiL6ZmN44CCPC9wPg==
- 答案:Qg==
PGRpdj7mnoHpmZDms5XvvJrmiKrlj5bkuIvljYrpg6jliIblkI7vvIzkuIrljYrpg6jliIbkuIvpmY3jgII8YnI+PC9kaXY+PGRpdj7mlbTkvZPkuIrnnIvvvIzniankvZPlj5fliLDph43lipvlh4/lsI/vvIzmta7lipvkuZ/lnKjlh4/lsI/vvIzmiYDku6XmjpLlvIDmtrLkvZPkvZPnp6/lh4/lsI/jgILmtrLpnaLkuIvpmY3jgII8YnI+PC9kaXY+
本课配套习题挑战模式5/5
一个物体沉入水底,截取一小块,剩余部分将( )
A: 不动,继续沉在水底 |
B: 上浮直到一部分露出水面 |
C: 上浮直到处于悬浮状态 |
D: 不确定 |
- 提示1:PHA+5rKJ5YWl5rC05bqV77yM5pW05L2T55qE5bmz5Z2H5a+G5bqm5aSn5LqO5ray5L2T5a+G5bqm44CCPC9wPg==
- 提示2:PHA+5rKh5ZGK6K+J54mp5L2T5a+G5bqm5piv5ZCm5Z2H5YyA44CC5pyA57uI57uT5p6c6KaB55yL5Ymp5L2Z6YOo5YiG54mp5L2T5bmz5Z2H5a+G5bqm5LiO5ray5L2T5a+G5bqm5YWz57O744CCPC9wPg==
- 提示3:PHA+5omA5Lul5LiN56Gu5a6a44CCPC9wPg==
- 答案:RA==
PGRpdj7lm6DkuLrkuI3nn6XpgZPniankvZPmmK/lkKblnYfljIDjgILooqvliIfmjonniankvZPlkozliankvZnniankvZPlr4bluqblhbPns7vvvIzmiYDku6Xml6Dms5XliKTmlq3mnIDnu4jnu5PmnpzjgII8YnI+PC9kaXY+