\( \begin{array}{l} F r=\sqrt{R x^{2}+R y^{2}}+25(52.167 \mathrm{~N} \\ \tan \theta=(R y / R x)=(2532.5 / 316.24) \end{array} \)
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Bonus Knowledge
The given expression for \( F_r \) indicates a force calculation based on the resultant of two components, \( R_x \) and \( R_y \). You can visualize this as finding the length of the hypotenuse in a right triangle, which ultimately tells you the magnitude of the resultant force combining both forces acting at right angles. The addition of \( 25 \) suggests there’s perhaps a constant force at play, such as friction or another component adding to the overall force. For the angle \( \theta \), using the arctangent function allows you to find the angle of the resultant force in relation to its components. In practice, this means you can determine how effectively the resultant force is applied in a specific direction, which is vital in engineering applications like designing structures or vehicles that need to account for varying force directions!
