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Gravitational Potential Energy Video Lecture | Physics for JEE Main & Advanced

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FAQs on Gravitational Potential Energy Video Lecture - Physics for JEE Main & Advanced

1. What is gravitational potential energy?
Ans. Gravitational potential energy is the energy possessed by an object due to its position in a gravitational field. It is the energy associated with the gravitational force between the object and the Earth or any other celestial body.
2. How is gravitational potential energy calculated?
Ans. The gravitational potential energy of an object near the surface of the Earth can be calculated using the formula: Potential Energy = mass × acceleration due to gravity × height. It depends on the mass of the object, the acceleration due to gravity, and the height at which the object is located.
3. What factors affect gravitational potential energy?
Ans. Gravitational potential energy is affected by two main factors: the mass of the object and the height at which the object is located. The greater the mass of the object or the higher the height, the greater the gravitational potential energy.
4. Can gravitational potential energy be negative?
Ans. No, gravitational potential energy cannot be negative. It is always a positive value or zero. The potential energy is zero when the object is at the reference level (usually considered as the ground level) and increases as the height above the reference level increases.
5. How is gravitational potential energy related to kinetic energy?
Ans. Gravitational potential energy and kinetic energy are interconnected. When an object falls from a higher height, its gravitational potential energy decreases, and an equivalent amount of kinetic energy is gained. Similarly, when an object is lifted to a higher height, its gravitational potential energy increases, and the corresponding amount of kinetic energy is lost. This relationship is described by the principle of conservation of energy.
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