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]
A bulldozer drags a log weigo.oo /j2(zx+kye5m hd 0 n s:fg-x/u+ch+gguching 500d:5t+dlgw czo p d*-pqg- 7u*d N along a rough surface. The cable attached to the log makes an5d qg:+p g-7*tl-pd wc*dz odu angle of $30.0^{\circ}$ with the ground. The coefficient of static friction between the log and the ground is 0.500. What minimum tension is required in the cable in order for the log to begin to move?
A. $224 \; N$
B. $268 \; N$
C. $289 \; N$
D. $500 \; N$
参考答案: A
本题详细解析:
暂无
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