Mechanics is a branch of physics that studies the way in which the position
of bodies moves, a change called mechanical motion. Founded by physicist Isaac
Newton in his famous work Philosophiae Naturalis Principia Mathematica, classical
mechanics studies the laws of mechanical motion of macroscopic bodies moving at
slower speed than light. Later, the physicist Albert Einstein generalized
classical mechanics by creating relativistic mechanics capable of describing
the motion of bodies at high speeds. To study the motion of microscopic bodies, quantum
mechanics was created.
Sub-branches of mechanics are statics,
kinematics si
kinetics.
Statics studies the conditions under which equilibrium is achieved for
bodies under the action of forces, kinematics describes mechanical otion neglecting the causes of this motion,
and kinetics establishes the laws of motion taking into account all the causes
that can change the position of bodies