Space Time & Motion A.2 Forces & Momentum (id: 13b15ff5b)

本题目来源于试卷: Space Time & Motion A.2 Forces & Momentum，类别为 IB物理学

[单选题]
A box of mass m is pulled across a hor- l3ea7cj pd.5hxc 3q:7grz unizw5j9seo/ou:a 9u1oqnswx 6 c-ontal surface with a force F as shown in the diagram. The coefficient of dynamic friction between the box and the surface is µ. What is the energy transferred to thermal energy while a box is moved by a distance of -qo wj69wu5n s1a:coue9 x/so d?

A. $Fd$
B. $(F−μmg)d$
C. $μmgd$
D. $mgd$


参考答案:  C


本题详细解析:

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