Mechanical world refers to the physical world as described by the laws of classical mechanics. This includes the motion of objects, the forces acting on them, and the energy associated with these motions and forces. The mechanical world can be contrasted with the quantum world, which describes the behavior of matter at the atomic and subatomic level.

Classical mechanics is a branch of physics that deals with the motion of objects and the forces acting on them. It is based on Newton's laws of motion, which state that:

- Every object remains in a state of rest or uniform motion in a straight line unless acted upon by an external force.

- The acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass.

- For every action, there is an equal and opposite reaction.

These laws can be used to describe the motion of objects of all sizes, from planets to atoms.

The mechanical world is the realm of everyday objects and phenomena. It is the world that we can see, touch, and feel. It is the world of machines, tools, and construction. The mechanical world is also the world of sports, music, and dance.

The laws of classical mechanics provide a powerful tool for understanding the mechanical world. They can be used to design machines, predict the behavior of fluids, and calculate the trajectory of projectiles. Classical mechanics is also used to study the motion of stars, planets, and galaxies.