Mechanics is the branch of physics that deals with the behavior of objects in motion and at rest, under the action of forces. It is divided into two main areas: classical mechanics and quantum mechanics. In classical mechanics, we study the motion of macroscopic objects, while quantum mechanics deals with the behavior of particles at the atomic and subatomic levels.

**Kinematics:**The study of motion without considering its causes. It involves concepts such as position, velocity, and acceleration.**Dynamics:**The study of the causes of motion. It involves concepts such as force, mass, and Newton's laws of motion.**Statics:**The study of objects at rest and the forces acting on them. It involves concepts such as equilibrium and the analysis of structures.**Energy:**The ability of an object to do work. It involves concepts such as kinetic energy, potential energy, and conservation of energy.**Momentum:**The quantity of motion of an object. It involves concepts such as impulse, conservation of momentum, and collisions.

If you are studying mechanics, here are some key topics to focus on:

- Understand the basic concepts of motion, including displacement, velocity, and acceleration.
- Learn about the different types of forces and how they affect the motion of objects.
- Study Newton's laws of motion and their applications in solving problems.
- Explore the concepts of work, energy, and power, and their relationship to motion and forces.
- Understand the principles of momentum and its conservation in various physical scenarios.
- Practice solving problems related to the above concepts to develop a strong understanding of mechanics.

Remember to work through example problems and seek help if you encounter difficulties with any of the concepts. Mechanics forms the foundation for many areas of physics and engineering, so a strong understanding of these principles is essential for further studies in these fields.

.PHYSICAL SCIENCE (NGSS)

Energy

Students who demonstrate understanding can:

Create a computational model to calculate the change in the energy of one component in a system when the change in energy of the other component(s) and energy flows in and out of the system are known.

Develop and use models to illustrate that energy at the macroscopic scale can be accounted for as either motions of particles or energy stored in fields.