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 acka(nb1x,9pe0s z hyia3 8(rb kross a horizontal surface with a d0 rivzumqm fo ;,5)k7force 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 thermz;dq)ui,r 057f mkm oval energy while a box is moved by a distance of d?

A. $Fd$
B. $(F-\mu mg)d$
C. $\mu mgd$
D. $mgd$


参考答案:  C


本题详细解析:

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