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In the following visual you can observe how the rotational axis of the earth is inclined; when the North Pole is furthest from the sun, the South Pole is nearest the sun and vice versa. When it is win ...
The educational resource shows a visual about the angular momentum L of a particle with respect to a point O: it is the vectorial product of the positional vector r times the linear momentum m·v. The ...
The educational resource shows a visual about the relative movement of the Earth: our planet is enormous compared to a train, which is why although all the earth moves, it seems to us to be still, and ...
Concept of ascent and descent of an object
The educational resource shows a visual about tides: the effect of the gravitational force of the moon and the sun on the earth can be seen in the tides.
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 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 a visual about the measurement of G: in 1798, Henry Cavendish, used an ingenious method to measure G, the constant of Universal Gravitation. He used a torsion balance, a ...
Video Física
"Centripetal force causes an object in motion to continue in a curved path rather than a linear one. If this force stops, the object will continue in a tangential linear path. An example of centripeta ...
Video Física
"Many students call centripetal force centrifugal force, but the two are not the same. Centrifugal force is the reaction to centripetal force as explained by Newton's Third Law of Motion, but it is on ...
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