本题目来源于试卷: Kognity IB Physics A.0 Measurements & Uncertainty，类别为 IBDP Physics
[单选题]
The masses and weights of different objects are i bxf:+;xzo6 n ppy;w6cndependently measured. epf884qe lvsf v.t:o4n1mj +h The graph is a plot of weight versus mass that l sth44 pvf8 qfne8mj+evo.:1 includes error bars.  What do these experimental results suggest?
A. The weight of an object is inversely proportional to its mass.
B. The measurements show a significant random error but small systematic error.
C. The measurements show a significant systematic error but small random error.
D. There is no correlation between the weights and the masses of the objects.
参考答案: C
本题详细解析:
We know that the line should, theoreti7q-h bnz n(xq62z sr9(gq91k9j pnb hvcally go through (0,0) as mass and weight are directly proportional. However it does not, so there is a systematic error. On the other hand the points all sit on a straight line which shows there is no appreciable random error. Hence C is xjq n(k7rbhq9g(z9hz9 62nnpsv1 -qbcorrect.
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Post time 2024-8-21 21:38:19