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 weights of differmcof-//fe +d6 t kh+grent objects are independently measured. Thp(g ,b mgwf0x1wfd:*qe graph is a plot of weight vergf0w ,fdm:qpbg1 wx *(sus 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, theoretically go through (0,0) as mass ahl6ou xhf;/yo gjb*)wz --. ktnd weight are directly proportional. However it does not, so there is a syhh6ykou z-f *-;b /ljxt.) wogstematic 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.