explain briefly about physics
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★ Physics is the study of energy and matter in space and time and how they are related to each other.
★ Physics studies how things move, and the forces that make them move.
→ For example, velocity and acceleration are used by physics to show how things move.
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Definition. Physics is the study of energy and matter in space and time and how they are related to each other. ... For instance, physicists can study stars, planets and galaxies but could also study small pieces of matter, such as atoms and electrons. They may also study sound, light and other waves.
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