بررسی قوانین حرکت نیوتن و کاربردهای آن در زندگی روزمره

Abstract

An Examination of Newton’s Laws of Motion and Their Applications in Everyday Life

Ab. Waris Sediqi, Jawid Hashemi, and Mohammad Hussain Farahi

Abstract

Newton’s laws of motion are among the fundamental principles of classical mechanics and play a central role in explaining the relationship between force and the motion of objects. The aim of this study is to examine the conceptual and mathematical aspects of Newton’s three laws of motion and to demonstrate their importance and applications in analyzing various mechanical phenomena. This research uses a descriptive–analytical method and is based on the study of reliable scientific sources. The basic concepts of force, mass, acceleration, and motion are examined, and each of Newton’s laws is explained separately. The first law examines the concept of inertia and the tendency of an object to maintain its state of rest or uniform motion in a straight line. The second law describes the quantitative relationship between the net force acting on an object, its mass, and its acceleration, expressed by the equation . The third law describes action and reaction, stating that whenever one object exerts a force on another object, the second object exerts a force of equal magnitude and opposite direction on the first object. In addition to examining the theoretical foundations of Newton’s laws, this study considers their applications in everyday phenomena and scientific and engineering fields. The motion of vehicles, human walking, elevator motion, sports activities, the motion of objects on the Earth’s surface, and some engineering problems are among the examples that can be analyzed using these laws. Several numerical examples are also provided to clarify the use of mathematical relationships and to demonstrate how force, mass, and acceleration can be determined under different conditions. The results show that Newton’s laws of motion, despite their apparent simplicity, provide an organized and powerful framework for analyzing many mechanical problems.

Keywords: Acceleration, Motion, Action and Reaction, Mass, Newton’s Laws, Physics, Force, Inertia, Classical Mechanics