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]
The coefficients of static and kinetic frictions for plastpr zk0,k0b)r1or4 tgsic on wood are 0.50 a*9fock *pngdwjj 6i33nd fd*g3jkjp*iw9c 3 6o n0.40,
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
本题详细解析:
暂无
| 
