Kognity IB Physics A.0 Measurements & Uncertainty (id: b56f9bbaf)

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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 weight +wx nwj9zfewrzxjc)3/e8c:9 s of different objects are independently measured. The gmtc zu3oz8 ./sraph is a plot of weight versus mass that includes erromz/ot3s 8c.zur 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, theoretically go through (0,0) as mass and weirg 9f yn-dn/7fght are directly proportional. However it does not, so there is fn g-7yf/d9r na 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 correct.