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 v0cfwtrq+ t) o1fl18zare independently measured. The gra 9oav)oj in/1sqbn 6 (aoyd3 +qph is a plot of weight vers s/a63 b oqq 9nj(nv1i)ado+ oyus mass that 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, thb,o- t5iwqzom 94ga.wusjb wo -4,fo;eoretically 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 o9, wizo5tj.,f4moa bs;wobg u--owq4 n a straight line which shows there is no appreciable random error. Hence C is correct.
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Post time 2024-8-21 21:38:19