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The educational resource shows a visual about gravitational potential energy: the calculation of gravitational potential energy is very easy for small heights, as it is given by the formula Ep=mgh, wh ...
Concept of attraction among masses
The educational resource shows how the energy is the capacity to produce changes in the environment by doing work or transferring heat. This means that when a body transfers heat or does work, its ene ...
The educational resource shows a Flash animation about the greenhouse effect The Earth is an open material system, because it interchanges matter and energy with outer space.
The educational resource shows an interactive animation about the perpetual motion: Is it possible to construct a system that moves indefinitely without having to supply any energy? If such a system w ...
The educational resource shows an interactive animation about the first law of thermodynamics:when we heat a pressure cooker, the heat we supply to the water is used to increase the temperature of the ...
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