本题目来源于试卷: Typical Forces,类别为 美国物理杯赛(Physics Bowl)
[单选题]
02.20: The graph shows the rel 5hs1x y36ixts4wrr6 nationship between the mass of a nu lgj. df;a * r*vl81 yqsxi83rymber of rubber stoppers and their resulting weight on some far-off planet. The slope of the graph is 18lfr*y3 ri l *xj8ys.dgva;qa representation of the:

A. mass of a stopper
B. density of a stopper
C. volume of a stopper
D. acceleration due to gravity
E. number of stoppers for each unit of weight
参考答案: D
本题详细解析:
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