Marzouga F Rajab, Mayzona Gemaha A. A Novel Analytical Formulation for Deriving Net Force Directly from Instantaneous Displacement Equations. sjphrt [Internet]. 2026 Jan. 29 [cited 2026 Oct. 26];2(1):150-6. Available from: https://sjphrt.com.ly/index.php/sjphrt/article/view/74