Physics Unit4: Force Dynamics & Newton's Laws (id: 86b700fab)

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]
A bulldozer drags a log weo dkpj)lau/s) i- e5d6lr7z1 uighing rddlh/uh- 0g /a yo5hz z3x6-w500 N along a rough surface. The cable attached t h/wy30z5-dla/h 6h -zuxgdo ro the log makes an 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. $224N$
B. $268N$
C. $289N$
D. $500N$


参考答案:  A


本题详细解析: 暂无

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