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Forces can carry out work. The work done by a force is different if it has the same direction and orientation as the displacement, or if its direction is different. Verify it in the following visual.
The educational resource shows a visual about the conservation of energy: the sum of the kinetic energy and the potential energy of a body (mechanical energy) remains constant, provided there are no f ...
The educational resource shows a visual about the work: the word work has a very different meaning in Physics from the one we use in daily life. In daily life, work is equivalent to "effort"; in Physi ...
The speed with which work is done is called power. To lift the same object to the top implies carrying out the same amount of work. To lift it at a different speed, implies using a different amount of ...
The educational resource shows information about the solar energy and its advantages and its disadvantages.
Renewable energy sources are those which after being used can be regenerated naturally or artificially. The following pictures are graphic examples rof enewable energy sources.
The educational resource shows information about the concept tidal energy and its advantages and its disadvantages.
Oil is the product of the decomposition of the remains of microscopic living organisms which millions of years ago inhabited the seas, lakes and river estuaries. Oil today has a multitude of applicati ...
Radiant energy is what is possessed by electromagnetic waves like visible light, radio waves, ultraviolet rays (UV), infrared rays (IR), etc. The principle characteristic of this energy is that it can ...
We deal with the need, use, abuse and problems of energy, solar, wind and electric energy concepts, produced by very well-known elements: the sun, the wind, water. Energy uses in the home and how to s ...
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