Calculate the gravitational potential energy of a kilolitre of water in a dam relative to a turbine 100m below it
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Answer:
Figure 1. Hydroelectric dams like the Ingur dam, store gravitational potential energy.[1]
Gravitational potential energy is the energy possessed by masses according to their spatial arrangement and the gravitational force (one of the four fundamental forces) that pulls them towards one another.[2] Since Earth is so large compared to the objects on it, it's easy to watch these objects being pulled (falling) towards the center of the planet, not the planet being pulled towards the object. The direction of Earth's gravitational pull is just called "down."
There's a simulation to play with potential energy that shows the interaction of gravitational potential energy, kinetic energy and spring energy. The simulation below shows how energy flows back and forth between kinetic energy and gravitational potential energy
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