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 国际高中通用物理

[单选题]
A person of weight 480 N stands on 5wcan+pz 2t(kbiz.0l s tq1 wnb 6y:,ba scale in an elevator. What will/5r)ui o - whe-5qdakqgk6-le the scale be reading when the elevator i5h )r k -dw5egakuqe-/-l 6iqos 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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