Physics Unit4: Force Dynamics & Newton's Laws (id: d83c7ee73)

本题目来源于试卷: Physics Unit4: Force Dynamics & Newton's Laws，类别为 通用国际物理

[单选题]
A person of weight 480 N stands on a scale in an4x * q74;s-o mbz: maaaf3ylotl/uyulbf/u(4 elevofzd /dw 14pv)ator. What will the scale be reading wp14d )d wz/fvohen the elevator is accelerating downward at $4.00 \; m/s^2$?

A. $196 \; N$
B. $284 \; N$
C. $676 \; N$
D. $480 \; N$


参考答案:  B


本题详细解析: 暂无

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