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 horizontal surfa7fnhlkck:p, + ce with tb 3ux onio0yh a5l7v9cy5i9.a force F as shown in the diagram. The coefficient of dynamic friction between the box ancon3 i7 bu5l9v0.ayx 95otyhid the surface is µ. What is the energy transferred to thermal energy while a box is moved by a distance of 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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