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]
The coefficients of static an,0 8f qvmj*hdwc4n*mad kinetic frictions for plr f1,k+mfew qf/nm p+:nm5o *tastic on wood are 0.50 and 0.4tf enm opwqf+ f/m+,1n5km*: r0, respectively. How much horizontal force would you need to apply to a 3.0 N plastic calculator to start it moving from rest?
A. $0.15 \; N$
B. $1.2 \; N$
C. $1.5 \; N$
D. $2.7 \; N$
参考答案: C
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