本课配套习题挑战模式1/5
体积为1立方分米的正方体铁块,浸没在水中,则铁块受到的浮力为( )
A: 10N |
B: 1N |
C: 104N |
D: 无法确定 |
- 提示1:PHA+55SxRjxzdWI+5rWuPC9zdWI+Pc+BPHN1Yj7mtrI8L3N1Yj5nVjxzdWI+5o6SPC9zdWI+5rGC5rW45Zyo5ray5L2T5Lit54mp5L2T55qE5rWu5YqbLjwvcD4=
- 答案:QQ==
PHA+5q2j5pa55L2T6ZOB5Z2X5rW45rKh5Zyo5ray5L2T5Lit55qE5L2T56ev77yaVjxzdWI+5o6SPC9zdWI+PVY8c3ViPueQgzwvc3ViPj0xZG08c3VwPjM8L3N1cD49MTA8c3VwPi0zPC9zdXA+bTxzdXA+Mzwvc3VwPjxicj7msLTnmoTlr4bluqbvvJrPgTxzdWI+5rC0PC9zdWI+PTHDlzEwPHN1cD4zPC9zdXA+a2cvbTxzdXA+Mzwvc3VwPjxicj7iiLTlj5fliLDnmoTmta7lipvvvJpGPHN1Yj7mta48L3N1Yj49z4E8c3ViPua2sjwvc3ViPmdWPHN1Yj7mjpI8L3N1Yj49McOXMTA8c3VwPjM8L3N1cD5rZy9tPHN1cD4zPC9zdXA+w5cxME4va2fDlzEwPHN1cD4tMzwvc3VwPm08c3VwPjM8L3N1cD49MTBOPGJyPuaVhemAiUEuPC9wPg==
本课配套习题挑战模式2/5
A: 一样大 |
B: 木球大 |
C: 铜球大 |
D: 无法确定 |
- 提示1:IOeUsUY8c3ViPua1rjwvc3ViPj3PgTxzdWI+5rayPC9zdWI+Z1Y8c3ViPuaOkjwvc3ViPuaxgua1uOWcqOa2suS9k+S4reeJqeS9k+eahOa1ruWKmy4=
- 提示2:IOWboOS4uuWFqOmDqOa1uOayoe+8jOS9k+enr+acieebuOWQjO+8jOaJgOS7pVY8c3ViPuaOkjwvc3ViPuebuOWQjA==
- 答案:QQ==
4oi15pyo55CD5ZKM6ZOc55CD5rW45rKh6YWS57K+5Lit77yMPGJyPuKItFY8c3ViPuaOkjwvc3ViPj1WPHN1Yj7nkIM8L3N1Yj7vvIw8YnI+4oi05Lik55CD5o6S5byA6YWS57K+55qE5L2T56ev55u45ZCM77yMPGJyPuKItUY8c3ViPua1rjwvc3ViPj3PgWdWPHN1Yj7mjpI8L3N1Yj7vvIw8YnI+4oi05Lik55CD5Y+X5Yiw55qE5rWu5Yqb55u45ZCMLiA8YnI+5pWF6YCJQS4g
本课配套习题挑战模式3/5
A: 铁球大 |
B: 同样大 |
C: 铜球大 |
D: 无法确定 |
- 提示1:IOWunuW/g+mTnOeQg+WSjOmTgeeQg+WIhuWIq+a1uOayoeWcqOawtOWSjOeFpOayueS4re+8jOaOkuW8gOa2suS9k+eahOS9k+enr+ebuOWQjA==
- 提示2:IOawtOeahOWvhuW6puWkp+S6jueFpOayueeahOWvhuW6pu+8jA==
- 提示3:IOeUsUY8c3ViPua1rjwvc3ViPj3PgTxzdWI+5rayPC9zdWI+Z1Y8c3ViPuaOkjwvc3ViPuaxgua1uOWcqOa2suS9k+S4reeJqeS9k+eahOa1ruWKmw==
- 答案:Qw==
55Sx6aKY5oSP5Y+v55+l77yM5L2T56ev55u4562J55qE5a6e5b+D6ZOc55CD5ZKM6ZOB55CD5YiG5Yir5rW45rKh5Zyo5rC05ZKM54Wk5rK55Lit77yM5Zyo5rC05Lit5ZKM5Zyo54Wk5rK55Lit5o6S5byA5ray5L2T55qE5L2T56ev55u45ZCM77yMPGJyPuWImeagueaNrkY8c3ViPua1rjwvc3ViPj3PgTxzdWI+5rayPC9zdWI+VjxzdWI+5o6SPC9zdWI+Z++8jOaOkuW8gOa2suS9k+eahOS9k+enr+ebuOWQjO+8jM+BPHN1Yj7msLQ8L3N1Yj7vvJ7PgTxzdWI+54Wk5rK5PC9zdWI+77yMPGJyPuKItOmTnOeQg+WcqOawtOS4reWPl+WIsOeahOa1ruWKm+Wkp+S6jumTgeeQg+WcqOeFpOayueS4reWPl+WIsOeahOa1ruWKmy4gPGJyPuaVhemAiUMuIA==
本课配套习题挑战模式4/5
将体积相同的木块和石块浸没在水中,松手后,木块上浮、石块下沉,平衡后,两物体所受的浮力( )
A: 木块大 |
B: 石块大 |
C: 一样大 |
D: 无法确定 |
- 提示1:PHA+5rW45rKh5rC05Lit5p2+5byA5omL5ZCO77yM5pyo5Z2X5LiK5rWu77yM6Z2Z5q2i5pe25ryC5rWu77yM5o6S5byA5rC055qE5L2T56ev5bCP5LqO5pyo5Z2X55qE5L2T56evPC9wPg==
- 提示2:PHA+55+z5Z2X5LiL5rKJ77yM5o6S5byA5rC055qE5L2T56ev562J5LqO55+z5Z2X55qE5L2T56evPC9wPg==
- 提示3:PHA+5bey55+l5pyo5Z2X5ZKM55+z5Z2X55qE5L2T56ev55u45ZCM77yM5Y+v5Lul5b6X5Ye65o6S5byA5rC055qE5L2T56ev5YWz57O7PC9wPg==
- 答案:Qg==
PHA+5rW45rKh5rC05Lit5p2+5byA5omL5ZCO77yM5pyo5Z2X5LiK5rWu77yM6Z2Z5q2i5pe25ryC5rWu77yMPGJyPlY8c3ViPuaOkuacqDwvc3ViPu+8nFY8c3ViPuacqDwvc3ViPu+8jDxicj7nn7PlnZfkuIvmsonvvIw8YnI+VjxzdWI+5o6S55+zPC9zdWI+PVY8c3ViPuefszwvc3ViPu+8jDxicj7iiLVWPHN1Yj7mnKg8L3N1Yj49VjxzdWI+55+zPC9zdWI+77yMPGJyPuKItFY8c3ViPuaOkuacqDwvc3ViPu+8nFY8c3ViPuaOkuefszwvc3ViPu+8jDxicj7iiLVGPHN1Yj7mta48L3N1Yj49z4E8c3ViPuawtDwvc3ViPlY8c3ViPuaOkjwvc3ViPmfvvIw8YnI+4oi05LqM6ICF5Y+X5Yiw55qE5rWu5Yqb77yaPGJyPkY8c3ViPuacqDwvc3ViPu+8nEY8c3ViPuefszwvc3ViPi48YnI+5pWF6YCJQi48L3A+
本课配套习题挑战模式5/5
如图所示,甲、乙、丙是体积相同,形状不同的铝块、铁块和铜块,当它们浸没在水中时,它受到的浮力是( )
A: 甲最大 |
B: 乙最大 |
C: 丙最大 |
D: 一样大 |
- 提示1:PHA+5L2T56ev55u45ZCM77yM6YO95rW45rKh77yM5omA5LulVjxzdWI+5o6SPC9zdWI+55u45ZCMPC9wPg==
- 答案:RA==
PHA+6YO95a6M5YWo5rW45YWl5rC05Lit77yM55Sy44CB5LmZ44CB5LiZ5L2T56ev55u45ZCM77yM5qC55o2u5YWs5byPRjxzdWI+5rWuPC9zdWI+Pc+BZ1Y8c3ViPuaOkjwvc3ViPuWPr+efpe+8jOeUsuOAgeS5meOAgeS4meaJgOWPl+a1ruWKm+ebuOWQjC48YnI+5pWF6YCJRC48L3A+