Grade 9 Test on Mechanics 20241217 (id: a31497a11)

[单选题]
Two boxes of masses m and 2m are in contact with each okbb * m6v5mez(c fa1r-ther on au/suw + +(gwek frictionless surfaw (u/ +su+wkgece. (See Fig. 4-3.) What is the acceleration of the more massive box?

A. $F/m$
B. $F/(2m)$
C. $F/(3m)$
D. $F/(4m)$


参考答案:  C


本题详细解析: 暂无

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