本课配套习题挑战模式1/5
发现“浸在液体中的物体所受的浮力,大小等于它所排开的液体所受的重力”的科学家是( )
A: 牛顿 |
B: 安培 |
C: 阿基米德 |
D: 焦耳 |
- 提示1:PHA+54mb6aG/5piv5Yqb55qE5Y2V5L2N77yM54Sm6ICz5piv5Yqf55qE5Y2V5L2N77yM5a6J5Z+55piv55S15rWB55qE5Y2V5L2NPC9wPg==
- 提示2:PHA+6Zi/5Z+657Gz5b635piv5Y+k5biM6IWK5pWw5a2m5a625ZOy5a2m5a6244CB5pWw5a2m5a6244CB54mp55CG5a2m5a62PC9wPg==
- 提示3:PHA+6L+Y5LiN5Lya5bCx5oOz5oOz5oiR5Lus5Yia5Yia5a2m6L+H55qE5Y6f55CG5Y+r5LuA5LmI5ZCn44CCPGJyPjwvcD4=
- 答案:Qw==
PGRpdj7pmL/ln7rnsbPlvrfor7TvvJrigJzmtbjlnKjmtrLkvZPkuK3nmoTniankvZPmiYDlj5fnmoTmta7lipvvvIzlpKflsI/nrYnkuo7lroPmiYDmjpLlvIDnmoTmtrLkvZPmiYDlj5fnmoTph43lipvigJ08L2Rpdj4=
本课配套习题挑战模式2/5
A: 等于50g |
B: 小于50g |
C: 大于50g |
D: 无法确定 |
- 提示1:IOacqOWdl+aUvuWcqOmFkueyvuS4re+8jOa8gua1ru+8jEY8c3ViPua1rjwvc3ViPj1HPHN1Yj7mnKg8L3N1Yj49RzxzdWI+5o6S6YWS57K+PC9zdWI+44CC
- 提示2:IOacqOWdl+aUvuWcqOawtOS4re+8jOa8gua1ru+8jEY8c3ViPua1rjwvc3ViPj1HPHN1Yj7mnKg8L3N1Yj49RzxzdWI+5o6S5rC0PC9zdWI+44CC
- 提示3:IOaJgOS7peaOkuW8gOawtOeahOmHjeWKm+etieS6juaOkuW8gOmFkueyvueahOmHjeWKm++8jOaOkuW8gOawtOeahOi0qOmHj+etieS6juaOkuW8gOmFkueyvueahOi0qOmHj+OAgg==
- 答案:QQ==
PGRpdj7mnKjlnZflnKjphZLnsr7lkozmsLTkuK3lj5fliLDnmoTmta7lipvpg73nrYnkuo7mnKjlnZfnmoTph43lipvvvIzmjpLlvIDmtrLkvZPnmoTph43lipvnrYnkuo7mnKjlnZfnmoTph43lipvjgILmiYDku6XmjpLlvIDphZLnsr7nmoTph43lipvlkozmjpLlvIDmsLTnmoTph43lipvnm7jnrYnjgILmiYDku6XotKjph4/kuZ/nm7jnrYnvvIznrYnkuo41MGfjgII8L2Rpdj4=
本课配套习题挑战模式3/5
A: 浮力变小,压强变大 |
B: 浮力变大,压强不变 |
C: 浮力不变,压强变大 |
D: 浮力变小,压强变小 |
- 提示1:CiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg6ZqP552A5rW45rKh5rex5bqm5aKe5Yqg77yM5rW35rC05a+56L2s5aS055qE5Y6L5Yqb5ZKM5Y6L5by65Y+Y5aSnCiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICA=
- 提示2:CiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg6YeR5bGe6ZK75aS05L2T56ev5LiN5Y+Y77yM5rW35rC05a+G5bqm5LiN5Y+Y77yM6ZqP552A5rex5bqm5aKe5Yqg77yM5rWu5Yqb5LiN5Y+Y44CCCiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICA=
- 提示3:CiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg5rWu5Yqb5ZKM54mp5L2T5rW45rKh5rex5bqm5peg5YWz77yM5LiO5ray5L2T5a+G5bqm5ZKM5o6S5byA5ray5L2T55qE5L2T56ev5pyJ5YWz44CCCiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICA=
- 答案:Qw==
PGRpdj7pmo/nnYDmtbjmsqHmt7HluqbnmoTlop7liqDvvIzpkrvlpLTlj5fliLDmtbfmsLTljovlipvlkozljovlvLrlj5jlpKfvvIzkvYbmmK/mjpLlvIDmtbfmsLTnmoTkvZPnp6/kuI3lj5jvvIzmtbfmsLTnmoTlr4bluqbkuI3lj5jvvIzmiYDku6XpkrvlpLTlj5fliLDnmoTmta7lipvkuZ/kuI3lj5jjgII8L2Rpdj4=
本课配套习题挑战模式4/5
关于浮力的说法中正确的是( )
A: 物体的密度越大,受到的浮力越大 |
B: 物体的体积越大,受到的浮力越大 |
C: 物体没入水中越深,受到的浮力越大 |
D: 物体没入水中体积越大,受到的浮力越大 |
- 提示1:PHA+54mp5L2T6L+b5YWl5rC05Lit6LaK5rex77yM5Y+X5Yiw5ZCR5LiK5ZKM5ZCR5LiL55qE5Y6L5Yqb6YO95Zyo5Y+Y5aSn77yM5aaC5p6c5rW45rKh5L2T56ev5LiN5Y+Y77yM5rWu5Yqb5LiN5Y+Y44CCPC9wPg==
- 提示2:PHA+54mp5L2T5L2T56ev6LaK5aSn77yM5Y+X5Yiw5rWu5Yqb5LiN5LiA5a6a5aSn77yM6KaB55yL54mp5L2T5o6S5byA5ray5L2T5L2T56ev5aSn5bCP5ZKM5ray5L2T5a+G5bqm5aSn5bCP44CCPGJyPjwvcD4=
- 提示3:PHA+RjxzdWI+5rWuPC9zdWI+Pc+BPHN1Yj7mtrI8L3N1Yj5nVjxzdWI+5o6SPC9zdWI+77yM54mp5L2T5omA5Y+X5rWu5Yqb5Y+q5LiO5ray5L2T5a+G5bqm5ZKM5o6S5byA5ray5L2T5L2T56ev5pyJ5YWzPC9wPg==
- 答案:RA==
PGRpdj7niankvZPmiYDlj5fmta7lipvkuI7niankvZPlr4bluqbvvIzniankvZPkvZPnp6/lkozmtbjmsqHmt7Hluqbml6DlhbPvvIzlj6rkuI7mtrLkvZPlr4bluqblkozmjpLlvIDmtrLkvZPnmoTkvZPnp6/mnInlhbPjgII8YnI+PC9kaXY+
本课配套习题挑战模式5/5
把三个体积完全相同的球a、b、c放入水中,静止时,它们所处的位置如图所示( )
A: a球受到浮力最小 |
B: b球受到浮力最小 |
C: c球受到浮力最小 |
D: 三个受到浮力一样大 |
- 提示1:PHA+5ray5L2T5a+G5bqm55u45ZCM77yMVjxzdWI+5o6SPC9zdWI+5LiN5ZCMPC9wPg==
- 提示2:PHA+Ye+8jGLvvIzmjpLlvIDmtrLkvZPkvZPnp6/lpKfkuo5j5o6S5byA5ray5L2T5L2T56ev44CCPC9wPg==
- 提示3:PHA+Y+aOkuW8gOa2suS9k+S9k+enr+acgOWwjzwvcD4=
- 答案:Qw==
PGRpdj5GPHN1Yj7mta48L3N1Yj49z4E8c3ViPua2sjwvc3ViPmdWPHN1Yj7mjpI8L3N1Yj7vvIzmtrLkvZPlr4bluqbnm7jlkIzvvIxj5o6S5byA5ray5L2T5L2T56ev5pyA5bCP77yM5Y+X5Yiw5rWu5Yqb5pyA5bCP44CCPC9kaXY+