Space Time & Motion A.3 Work Energy and Power (id: ed4f9ab58)

本题目来源于试卷: Space Time & Motion A.3 Work Energy and Power，类别为 IB物理学

[单选题]
A block of mass 16 kg is pushed and released along a rough horizontal surface at an initial speed of $2\,m\;s^{-1}$.


The block travels through a distance of $16\,m$ and is brought to rest. What is the magnitude of the frictional force that brings the block to rest?

A. $2N$
B. $4N$
C. $8N$
D. $16N$


参考答案:  A


本题详细解析:

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