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Send Your Name To Mars - Mars 2020 Perseverance - NASA event

Have you ever wondered you are going to travel to Mars? As a common man, it is near too impossible for thinking about the situation but NASA had started a new program called Send Your Name To Mars. Under this program, NASA has started an online form filling. Link to this program will be given. To send your name to mars you have to just go through the link which I will provide you. If you do not know how to fill the form, fill your form with the science behind science- Here is the link   "Send Your Name to Mars: Future Mission" Fill the form fast and make your friends jealous of the boarding pass. But don't make them that jealous share th e link to your friends and family as fast as possible. The link is given here for how to fill form and link for the form:- Share the link fast because forms are filling fast:- https://truesciencebehindscience.blogspot.com/2021/02/send-your-name-to-mars-mars-2020.html First, you have to go through the link given below: The link will direct...
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The earth spins and revolves too fast but we do not notice it at all. How? - truesciencebehindscience

Have you ever felt that the earth is rotating, it is moving around the sun? our sun is not still its also moving with the sun earth is also moving. Moreover, our complete galaxy is in motion. We don't even notice that the earth is spinning at 1656 km/hr and our earth is revolving our sun with almost a speed of 108000 km/hr. It is very interesting to answer these questions because one can be answered by just relating it to our daily life and one is completely related to physics. So, let us find the science behind science-




The Reason for Why we can't Feel the Revolution of Earth

As I had mentioned above that our earth is revolving around the sun with a uniform speed of almost 108000 km/hr but we didn't felt it any time. While we move around with a vehicle that is almost 40-60 km/hr gives us the feel of the movement. How is it so? Is it just an illusion of physics?

Let us consider an example, Assume that you are moving in a car on a straight road with no bumps and taking wind speed negligible. Closing your eyes for a while. Now, you can just feel the vibration of the engine and nothing else. Your speed is uniform applying neither brakes (for retardation) and nor accelerator (nor acceleration).

Our earth also works on the same principle. Earth is also at a constant speed that neither retards nor accelerates. Hence we can't feel the massive speed of the earth.

Read this also: How our earth came up as a living planet? - The first organism born - truesciencebehindscience

The Reason for Why we can't Feel the Rotation of Earth

We know that the earth spins with a speed of almost 1656 km/hr. But, we never noticed it, for example, the merry-go-round spin with a speed of just 10-15 km/hr. In the Merry-go-round we feel like we are falling apart of that. But, Earth's spin is very high then also 75-80 kg of mass objects do not go into the air.  How is it so?

People on merry-go-round

Here, is the answer to the question of why we can't figure out that the earth is rotating?. The centrifugal force exerted on a mass of 80 kg by our earth is very less because of the formula of centrifugal force formula:-
and so, by putting values to formula,
Earth radius=R = 6378 km

Earth angular velocity=ω = 7.29·10−5 s−1

Earth mass=ME = 5.97·1024 kg

Mass of the person=80 kg


So, the centrifugal force is almost 2.7 N but, the weight of an object is much higher than this little force of 2.7 N.

This is the reason why we can't feel any movement of earth.

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Any query comment it down.

  Hope all this helps you.

HAIL MOTHERLAND

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