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Potential energy | Physics | Khan Academy 8 месяцев назад


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Potential energy | Physics | Khan Academy

Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now! https://www.khanacademy.org/science/h... Want to explore more? Check out the full energy & work playlist here:    • Energy and work | Physics   Potential energy exists in a system of interacting objects. The amount of potential energy depends on the objects' relative positions. If two objects attract gravitationally or electrically, potential energy increases as they get farther apart. If two objects repel electrically, potential energy increases as they get closer. Elastic and chemical potential energy are fundamentally the result of electric potential energy at the particle level. Sections: 00:00 - Intro 00:45 - Intuition behind potential energy 01:48 - Potential energy is a property of a system 03:15 - Gravitational potential energy 06:48 - Electric potential energy (opposite charges) 08:25 - Electric potential energy (like charges) 09:46 - Zero reference point for potential energy 12:48 - Manifestations of electric potential energy ------------------ Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help! Donate here: https://www.khanacademy.org/donate?ut... Volunteer here: https://www.khanacademy.org/contribut...

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