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 通用国际物理

[单选题]
A book weighs 6 N. When held at rest above your head the ne4.;oft cv1q3x ,f:gwdq+dg5twao e* ptxzfuvv/- 3m1c6a2seibvt ah1 8k0:kfvg k2h6 force on the book is k3m8/ t 2xgvi fcau:6e2vvk6kh0-f1bvaz 1 hs

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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