What is mechanics definition?

Mechanics is a branch of physics that deals with the behavior of physical systems under the influence of forces and motion. It is one of the oldest and important fields of physics that studies the motion of objects, the forces that cause the motion, and the energy that is involved in the motion.

Mechanics is divided into two branches: classical mechanics and quantum mechanics. Classical mechanics deals with the motions of objects that are much larger than atoms and obey the laws of Newtonian mechanics, while quantum mechanics deals with the behavior of small particles such as atoms and subatomic particles and is based on principles of probability and wave mechanics.

The basic concepts of mechanics include force, motion, acceleration, velocity, momentum, and energy. These concepts are used to describe the behavior of physical systems, such as moving objects, fluids, and solid bodies, and to predict their future behavior. Mechanics also involves the study and application of mathematical techniques, such as calculus and differential equations, which are used to model and describe complex physical systems.

Mechanics has many practical applications in engineering, technology, and everyday life, such as designing and building machines, vehicles, and structures, predicting and simulating the behavior of materials and systems, and understanding the motion and forces involved in sports and other physical activities.