Scientific Skills & Tools (id: 4989b0404)

本题目来源于试卷: Scientific Skills & Tools，类别为 IB物理学

[单选题]
Which of the following gives the unit for work in fundamental SI units?

A. $m^2s^2$
B. $kg\:ms^{-1}$
C. $kg\:m^2s^{-1}$
D. $kg\:m^2s^{-2}$


参考答案:  D


本题详细解析:

Since $�=��$,

The unit of work is equivalent to $��$.

Because, $�=��$

Therefore the newton is equivalent to $���{�}^{-2}$

Then, the unit of work is $��{�}^2{�}^{-2}$

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