Physics Unit9: Static Equilibrium, Elasticity and Fracture (id: cef5838d1)

本题目来源于试卷: Physics Unit9: Static Equilibrium, Elasticity and Fracture，类别为 国际高中通用物理

[单选题]
A book weighs 6 N. Whu5 8b6owi4u ki0gtlo7en s:d8tv yy 0q 4me39wj;qi1dzhheld at rest above your head the net force on the book isqh 0 yv84zddmtqj91i;: s3wy e

A. 0 N.
B. 6 N.
C. 9.8 N.
D. -6 N.


参考答案:  A


本题详细解析: 暂无

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