Space Time & Motion A.4 Rotational Mechanics (id: f08fd4d89)

本题目来源于试卷: Space Time & Motion A.4 Rotational Mechanics，类别为 IB物理学

[单选题]
A tightrope walker hol ,cd.5mty 8+9kd2 m dfi4zvtrdp gk.*nds a0t8vmf cwi fh2+:;u4 mrqqrf7 long pole during his stunt.

Three statements are given about the effect of the pole on the walker's ability to maintain their balance.
I. The pole increases the moment of inertia of the walker.
II. An unbalanced torque will produce a smaller angular acceleration to the walker and pole.
III. Holding the pole higher will make the walker more stable.
Which of these statements is/are correct?

A. $I$ and $II$ only
B. $I$ and $III$ only
C. $II$ and $II$ only
D. $II$ and $III$ only


参考答案:  A


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