配套习题- 质量（下） -【青果学院】

1/5单选题

难度：

1.在物理实验室中，测量物体质量的仪器是（）

A	弹簧测力计
B	量筒
C	压强计
D	天平

正确答案：RA==

5by557Cn5rWL5Yqb6K6h55So5piv55So5p2l5rWL5Yqb55qE5aSn5bCPPGJyPumHj+etkueUqOadpea1i+a2suS9k+eahOS9k+enrzxicj7ljovlvLrorqHnlKjmnaXmtYvljovlvLo8YnI+5aSp5bmz55So5p2l5rWL6LSo6YeP77yM5omA5Lul6YCJRA==

2/5单选题

难度：

2.想测一张邮票的质量，下列方法中最理想的是（　　）

A	将一张邮票直接测量
B	测100张相同邮票的质量，再除以100
C	测螺帽与一张邮票的总质量再减去测得的螺帽质量
D	测5张邮票质量，再除以5

正确答案：Qg==

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

3/5单选题

难度：

3.一架JPT-5型托盘天平，全部砝码为10g一只，20g二只，50g一只，100g二只、200g一只，现在用它称量质量为275g的物体，称量时下列四种加减砝码的顺序最为合理的是（“+”号表示在右盘中加入砝码，“-”号表示取去砝码）（　　）

A	+200g+100g-100g+50g+20g+10g-10g+游码
B	+100g+100g+50g+20g+10g-10g+游码
C	+200g+50g+20g+游码
D	+200g+10g+20g+20g+10g+游码-游码-20g-10g+50g-10g+游码

正确答案：QQ==

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

4/5单选题

难度：

4.一个人在用天平测量物体的质量的时候，不小心把被测物体放到了右盘，砝码放到了左盘，砝码有50g一个，20g两个，游码刻度是3g．该物体的质量是（　　）

A	90g
B	93g
C	87g
D	73g

正确答案：Qw==

56Cd56CB6LSo6YePNTBnKzIwZysyMGc9OTBn77yM5pWF5pyJOTBnPW08c3ViPueJqTwvc3ViPisyLjJn77yM5omA5LulbTxzdWI+54mpPC9zdWI+PTkwZy0zZz04N2fvvI48YnI+5pWF6YCJQ++8jg==

5/5单选题

难度：

5.一架天平，砝码已严重磨损，用此天平和砝码去测得一物体的质量，其结果将会（　　）

A	偏小
B	偏大
C	不变
D	无法判断

正确答案：Qg==

56Cd56CB6KKr56Oo5o2f5ZCO6LSo6YeP5YeP5bCP77yM5Zug5q2k6KaB5L2/5aSp5bmz5bmz6KGh77yM5bCx6ZyA6KaB5re75Yqg5pu05aSa55qE56Cd56CB5oiW5bCG5ri456CB5ZCR5Y+z56e75Yqo77yM5LuO6ICM5L2/5rWL6YeP57uT5p6c5q+U55yf5a6e5YC85aSn77yOPGJyPuaVhemAiULvvI4=