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The educational resource shows a visual about the solar system: What is at the centre, the sun or the earth? This question has been asked since the beginnings of humanity. The answer is found in the d ...
Concept of trajectory depending on the RS (I)
Concept of trajectory depending on the RS (II)
Work is one of the ways of transmitting energy between bodies. The following visual will help you understand the concept of work by modifying the force and the angle which it forms with the horizontal ...
A picture shows some transformations of energy. The energy from the sun passes to plants, to oil, to coal, to animals and to human beings; they take advantage of it by using the energy from oil, anima ...
Mechanical energy is what is produced by mechanical type forces, like elastic and gravitational forces.The following three pictures show situations involving mechanical energy.
Power measures the speed with which work is done. It is measured in watts, W, in the International System of Units. The following visual will help you to understand this concept more clearly as you se ...
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 ...
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