Gravity Abstract The paper will be discussing gravity

Gravity
Abstract
The paper will be discussing gravity, the definition of gravity, different bodies which have gravity. The theories which govern how people believe, view and tend to interpret the gravity will be explained by the theories include the theory which was explained by Newton and the general theory of relativity. Also how the gravity has evolved has been discussed in the paper. The paper explores the researches which have been done by different scientists, and the reasoning has been used to explain a lot of the gravity properties and evolution. Different people tend to believe about different theories of gravity, and the reason why they believe in the different theories and not the other theories have been discussed. The conclusion tries to articulate the different evidence which has been presented to show that gravity has evolved.
Introduction
According to (Misner, Thorne, & Wheeler, 2017) Gravity can be defined as a force by which bodies such as the planet can draw other objects towards their centers. Also, the force of gravity helps to keep all the planets around the sun in their respective orbits. There are the different theories which have been formulated so that they explain the reason behind this force of gravity. It has been proven that anything which has mass also had the gravity. The force of gravity between two objects tends to weaken as the object distance between them widens. Earth has a large mas hence it can produce a large gravitation pull of object towards its self.

The history of gravity
People came to realize what is all about gravity recently. The longtime philosophers thought that the stars and the planets are they are the god’s realm, and they tend to follow motion which they referred as natural motion. They had no idea about the force of gravity, and this notion stood up to the 16th century. Around the 1500s is when it was discovered that the planets were revolving around the sun by the astronomers like Brahe (Misner, Thorne, ; Wheeler, 2017). They came to ask themselves why the planets were moving in an elliptical orbit but not in a circular one. Later the force of gravity was discovered.
Isaac Newton, the person who discovered gravity
As discussed by (Bynum, Browne, ; Porter, 2014) He was a physicist, and he lived between the year 1642 to 1727. He discovered the force of gravity when he saw a falling mango, and he was thinking about the forces of nature. The case of falling made him realize that there must be the force which was acting on the bodies which were at rest and they start moving. He was also able to note that the moon would fly off away from earth. The motion of the moon was in a straight line, but it did not fall towards the surface of the earth. After the combination of all his observation of how the objects such as the mango were falling and the movement of the sun, he concluded that there was a force. Newton called this force of gravity, and he explained that the gravitational power occurs between all the objects.
Newton argued that the force that the free-moving objects and the motion of the earth are determined by the same particular force which is the gravity. The philosopher from Greek who was considered to be classical did not account with the views of Newton as he argued that the celestial bodies were not affected by the force of gravity. He justified himself by giving the argument that the bodies followed a certain movement which is repetitive in the sky. The view of Aristotle was that each body had a motion which was a routine is followed, and it was not affected by the external forces. Aristotle also assumed that the way the bodies were moving towards the surface of the earth was a tendency they had. In additional to the Aristotle views, there were other two views which were there before the 17th century about the gravity. A moving body with a constant speed needs a continuous force which acts on and the force its self-have to be applied on the object by contact rather than being interacted at a distance.
Part II
There are different experiments which were carried out by the early philosophers to proof that the gravity existed. The following are the different experiments which were carried out to prove that that gravity existed.
It cannot be to an experiment, but as an accident as sir, Newton saw a mango fruit fall from the tree to the ground (Bahrami et al. 2015). This was what triggered his mind to do more research about that force which caused the fruit to fall. He started to experiment with other objects, and he observed the same behavior they were falling towards the surface of the earth. Newton made a comparison of the falling mango and the cannonball. The cannonball which might be moving at a higher speed and it continued to increase in speed. He concluded that the cannonball would eventually fall to the ground in a curved motion. If the speed is constant, the ball will never hit the ground, and this was the explanation which was given as to why the moon usually moves around the earth and the earth moves around the sun.

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Before and after Newton experiment
According to (Hughes et al. 2017) Galileo experimented in the year 1589. His experiment involved different objects which were falling to the ground he did this when he was on a tower, and the different objects were hitting the ground at the same time. The time they were taking to reach the ground did not put to consider the weight of the experimentation objects. The theory which Newton formed did not explain why the objects were attracting each other but explained how they attracted each other. The theory that was formulated by Einstein made the description of gravity as a mass warping time and space. The theory also describes how light bends upon passing the stars and other objects which are extremely massive.
Conclusion
The study of gravity has been like a long endless process, it started a long time ago, and still, it is being done today. New properties of gravity are being discovered, and the old properties which are known are put in a well-organized manner where the researchers tap information for more research. The understanding of the gravity force gives a different property of the earth for example why the earth is round. The earth pulls objects towards itself all rounds. The only way in which gravity can be canceled is when an object is in orbit.

References
Bahrami, M., Bassi, A., McMillen, S., Paternostro, M., ; Ulbricht, H. (2015). Is Gravity Quantum?. arXiv preprint arXiv:1507.05733
Bynum, W. F., Browne, E. J., ; Porter, R. (Eds.). (2014). Dictionary of the History of Science. Princeton University Press
Hughes, B., Mona, L., Wilson, G., McAninch, S., Seamans, J., ; Stout, H. (2017). an object in motion: an integrative approach to accelerating students’ interest in Newton’s Laws of Motion. Technology and Engineering Teacher, 77(1), 10
Misner, C. W., Thorne, K. S., ; Wheeler, J. A. (2017). Gravitation. Princeton University Press

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