The tune-up specifications of a car call for the spark plugs to be tightened to a torque of \(38 \mathrm{~N} \cdot \mathrm{m}\). You plan to tighten the plugs by pulling on the end of a \(25-\mathrm{cm}-\) long wrench. Because of the cramped space under the hood, you'll need to pull at an angle of \(120^{\circ}\) with respect to the wrench shaft. With what force must you pull?