本课配套习题挑战模式1/5
如图所示,装有水的烧杯中漂着一个塑料盒,在塑料盒中放置一小球,此时塑料盒浸没体积是V1,把小球拿出来用细线系在塑料盒下,塑料盒浸没体积是V2,通过V1,V2,已知水的密度,可以以下哪些物理量()
A: 小球的体积 |
B: 小球的密度 |
C: 小球的重力 |
D: 小球的浮力 |
- 提示1:PHA+6YCa6L+HVjxzdWI+MTwvc3ViPuWPr+axguWhkeaWmeebkuWSjOWwj+eQg+a1ruWKm+S5i+WSjO+8iOS5n+aYr+mHjeWKm+S5i+WSjO+8ieOAgjxicj48L3A+
- 提示2:PHA+6YCa6L+HVjxzdWI+Mjwvc3ViPuWPr+axguWhkeaWmeebkueahOa1ruWKm++8iOS5n+etieS6juWhkeaWmeebkueahOmHjeWKm++8iTxicj48L3A+
- 提示3:PHA+5omA5Lul5Y+v5Lul5rGC5Ye65bCP55CD55qE6YeN5Yqb44CCPC9wPg==
- 答案:Qw==
PGRpdj7pgJrov4dWPHN1Yj4xPC9zdWI+5Y+v5rGC5aGR5paZ55uS5ZKM5bCP55CD5rWu5Yqb5LmL5ZKM77yI5Lmf5piv6YeN5Yqb5LmL5ZKM77yJ44CC6YCa6L+HVjxzdWI+Mjwvc3ViPuWPr+axguWhkeaWmeebkueahOa1ruWKm++8iOS5n+etieS6juWhkeaWmeebkueahOmHjeWKm++8ie+8jOaJgOS7peWPr+S7peaxguWHuuWwj+eQg+eahOmHjeWKm+OAgjxicj48L2Rpdj4=
本课配套习题挑战模式2/5
如图所示,木块A漂在水面上时,量筒内水面对应刻度为1;当木块上放一金属块B时,水面对应刻度为 2。则物体B的重力是( )
A: |
B: |
C: |
D: |
- 提示1:PHA+VjxzdWI+MTwvc3ViPuaYr+a2suS9k+WvueW6lOWIu+W6puS4jeaYr+eJqeS9k0HnmoTmtbjmsqHkvZPnp6/jgII8L3A+
- 提示2:PHA+77yIPGltZyBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzIzLzgzL3JCQUNFMU1NYUFYQVhZMFBBQUFCc1JmWC1EWTc5MS5wbmciIGRhdGEtY2tlLXNhdmVkLXNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvMjMvODMvckJBQ0UxTU1hQVhBWFkwUEFBQUJzUmZYLURZNzkxLnBuZyIgaGVpZ2h0PSIyMSIgd2lkdGg9IjQ5Ij7mmK/miopC5pS+5ZyoQeS4iuWkmuaOkuW8gOa2suS9k+eahOS9k+enr+OAgjwvcD4=
- 提示3:PHA+6YCa6L+HPGltZyBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzAwLzkzL3JCQUNGRk1NYUFXQnotbUZBQUFCa0gxemNsSTY2Ni5wbmciIGRhdGEtY2tlLXNhdmVkLXNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvMDAvOTMvckJBQ0ZGTU1hQVdCei1tRkFBQUJrSDF6Y2xJNjY2LnBuZyIgaGVpZ2h0PSI0MiIgd2lkdGg9IjE3Ij7lj5jljJbph4/lj6/ku6XmsYLmta7lipvlj5jljJbph488L3A+
- 答案:Qw==
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
本课配套习题挑战模式3/5
A: 小盆受重力的大小为F1 |
B: 金属球受重力的大小为F1-F2 |
C: 小盆排水体积减小了 |
D: 水对水槽底部的压力减小了N |
- 提示1:IOWPl+WKm+WIhuaekCzopoHnn6XpgZPlsI/nm4blj5fliLDnmoTmta7lipvnrYnkuo7ku4DkuYgu
- 提示2:IOWwj+eQg+a1ruWKm+WPmOWMlumHj+WSjOeQg+WPl+WIsOeahOaUr+aMgeWKm+ebuOetiSw=
- 提示3:IOa1ruWKm+WPmOWMlumHj+etieS6jua2suS9k+WvueWuueWZqOWOi+WKm+WPmOWMlumHjy4=
- 答案:QixE
PGRpdj48aW1nIHdpZHRoPTUzOSBoZWlnaHQ9NjU4IHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvMjMvODMvckJBQ0UxTU1hQk9DT3BUekFBQjJlMjlTNGVRMDkyLnBuZyI+PC9kaXY+
本课配套习题挑战模式4/5
如图所示一水槽内装有部分水,水面上浮有一木质小容器,其露出液面的高度为h,水的深度为H,现从水槽内取少部分水倒入容器内,则导致( )
A: h增大 |
B: h减小 |
C: H增大 |
D: H减小 |
- 提示1:PHA+56ys5LiA5Liq5Y+v5Lul5Yik5pat55qE5pivaOS4gOWumuWHj+Wwj+OAguWboOS4uuaUvuWFpeawtOWwj+WuueWZqOS4i+ayieS6huOAgjxicj48L3A+
- 提示2:PHA+5Zug5Li65LiL5rKJ5ray6Z2i5LiK5Y2H77yM5L2G5piv5ZCM5pe26L+Y6KaB5LuO5rC05qe95Lit5ou/5Ye65p2l5rC05pS+5Zyo5bCP5a655Zmo5Lit44CCPC9wPg==
- 提示3:PHA+5Y+v5Lul6YCa6L+H5a655Zmo5bqV5Y+X5Yiw5ray5L2T5Y6L5Yqb5p2l5Yik5pat44CC5Y6L5Yqb5LiN5Y+Y77yM5ray5L2T5a+G5bqm5LiN5Y+Y44CCPC9wPg==
- 答案:Qg==
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
本课配套习题挑战模式5/5
A: 木块受的浮力F减小 |
B: 水对容器底部的压强p减小 |
C: 水面距容器底部的高度h减小 |
D: 甲受到的合力减小 |
- 提示1:IOaVtOS9k+a1ruWKm+S4jeWPmO+8jOWvueWuueWZqOW6lemDqOWOi+WKm+S4jeWPmO+8jOWOi+W8uuS4jeWPmO+8jGjluqbkuI3lj5jjgII=
- 提示2:IOWUr+S4gOWPmOeahOWwseaYr+eJqeS9k+S5meWPl+WIsOeahOa1ruWKm+OAgg==
- 提示3:IOi/mOmcgOimgeWGjeaPkOekuu+8nw==
- 答案:QixDLEQ=
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