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General physics
Terms realting to physics that are not fit for other subcategories.
Industry: Physics
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General physics
potential
Physics; General physics
The amount of energy needed to move an electric charge from one point to another in an electric field. Potential is measured in volts.
propellant
Physics; General physics
A substance that is used to push something forward with great power. Rocket fuel and the gas used in spray cans are propellants.
radar
Physics; General physics
A system that is used to locate distant objects and find their position, speed, and direction.
radio telescope
Physics; General physics
An instrument that is used to observe or study distant objects by gathering the radio waves that come from them.
reflection
Physics; General physics
The throwing back of a wave, such as a wave of light or a sound wave, when it runs into an obstacle, such as a mirror or wall.
refraction
Physics; General physics
The bending or turning of a wave, such as a wave of light, when it passes through one substance into another.
relativity
Physics; General physics
A two part theory of physics developed by Albert Einstein. It states that gravity is not a force but a bending of space.
