People who study physics are called physicists. They may have a bachelor's degree in physics, or a master's or doctorate in physics. Physicists work in a variety of settings, including universities, government laboratories, and private industry. They may teach physics, conduct research, or develop new technologies.

Some of the topics that physicists study include:

* Classical mechanics: This is the study of the motion of objects, and the forces that act on them.

* Electromagnetism: This is the study of electricity and magnetism, and how they interact with each other.

* Quantum mechanics: This is the study of the behavior of matter at the atomic and subatomic level.

* Thermodynamics: This is the study of heat and its relation to other forms of energy.

* Statistical mechanics: This is the study of the behavior of large systems of particles, such as gases and liquids.

* Relativity: This is the study of space, time, and gravity, and how they are related to each other.

Physics is a fundamental science that has applications in many other fields, such as engineering, chemistry, biology, and medicine. Physicists are essential to the development of new technologies and the advancement of our understanding of the universe.