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Jhenninger · Answer 1 · 2023-03-04T08:57:08+0000

A. The block has a higher force than the friction, so it continues moving and increasing the speed

$\begin{gathered} F>m\cdot g\cdot u \\ F>48.07N \end{gathered}$

B. The block has a lower force than the friction, so the acceleration is negative and the speed decrease

$\begin{gathered} FC. The block has an initial speed and the forces are the same, so the block has no acceleration, the net force is 0.[tex]\begin{gathered} F=m\cdot g\cdot u \\ F=48.07N \end{gathered}$

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