The law of universal gravitation proposed by Newton states that “every particle in the universe attracts every other particle with a force that is proportional to the product of their masses and inversely proportional to the square of the distance between them. The force acts along the line joining the two particles” (Giancoli, 2009). Without this knowledge, human beings today may not have had satellites orbiting the earth, have reached the moon, or procured valuable data detailing other terrestrial phenomenon. Newton eventually realized from his studies that if an object (i.e., a satellite) can move fast enough, the path that it will travel due to Earth’s gravity will become a continuous curve around the earth (Sir Isaac Newton, n.d.). Taking a hypothetical situation of a cannon sitting atop of a mountain, a ball launched with minimal speed will obviously fall down relatively close to the mountain (Zooniverse, n.d.). If the ba...
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....). Other notable achievements include sending a human being into space and making the first trip around the world in space in 1961; setting foot onto the moon, Mars, and several other planets in the later years; and sending robotic probes to the rest of the planets and taking detailed pictures of their physical characteristics and composition (Zooniverse, n.d.). Currently, there exists the Space Shuttle System developed by the United States for launching satellites and other scientific inquiries into orbit and the International Space Station developed by both the U.S. and Russia, viewed as a successful joint collaboration between the two nations since 1998 (Zooniverse, n.d.). Without Newton’s paramount contributions to the world of physics (and calculus), it is debatable whether or not humans would be as well-informed as they are now about the vast macroscopic world.
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