![]() The masses are assumed to be exactly the same as those used in Newton’s second law, \overset, the arrow of time takes all things to the singularity. It is fair to say that most scientists were not completely comfortable with the action-at-a-distance concept.)Ī second assumption also appears in Newton’s law of gravitation (Equation). (The same was believed of electromagnetic forces, as well. This assumption does not come from any first principle, as Newton’s theory simply does not address the question. That is, without physical contact, any change in the position of one mass is instantly communicated to all other masses. This speed limit on the Universe was also a challenge to the inherent assumption in Newton’s law of gravitation that gravity is an action-at-a-distance force. Almost all of the mechanics you learned in previous chapters, while remarkably accurate even for speeds of many thousands of miles per second, begin to fail when approaching the speed of light. Two people moving relative to one another do not agree on the length of objects or the passage of time. However, it has incredible consequences-space and time are no longer absolute. This simple fact has been verified in countless experiments. To edit this to a curved line, right-click the data series and then select the Format Data Series button from the pop-up menu. The line graph is inserted with straight lines corresponding to each data point. In this theory, no motion can exceed the speed of light-it is the speed limit of the Universe. Select and highlight the range A1:F2 and then click Insert > Line or Area Chart > Line. This theory is discussed in great detail in Relativity in the third volume of this text, so we say only a few words here. ![]() In 1905, Albert Einstein published his theory of special relativity.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |