(Solved): The diagram represents a skateboard moving along a horizontal surface with only two forces, shown a ...

The diagram represents a skateboard moving along a horizontal surface with only two forces, shown as \( F_{1} \) and \( F_{2} \), affecting its motion. If the skateboard is slowing down, then which one of the following relationships about the magnitudes of the two forces is correct? \[ \begin{array}{l} F_{1}>F_{2} \\ F_{2}-F_{1}=0 \\ F_{1}