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Tiffani Holman Miss Keith English 10 3 March 2014 Simple Machines People in the modern world still use the same technology that people from millions of years ago used. These technologies make life easier for humans and help them do day-to-day activities. Machine technology throughout the world is mainly made from six simple machines. They are the lever, inclined plane, wedge, screw, wheel and axel, and pulley. These machines provide a mechanical advantage for people and provide safer, less strenuous work for them. Starting from the Stone Age to present time, simple machines have made the largest global impact because they help human beings create less work and effort, they have developed new technologies in history, and they continue to help people make new technologies today. Simple machines possess a science behind them that provides work with a fraction of the effort. According to the United States Lerner Publishing Group, “Machines allow people to apply force and to do more work than could be done with muscle power alone, and force can be applied more efficiently” (Woods 2). Work equals force times distance; therefore, when machines are used, they lessen the force or effort required to achieve the work. The consequence is that people have to travel a farther distance when decreasing their amount of effort. Whether people trade less force for more distance, or vice versa, they still endure an equal amount of work. Simple machines also allow people to change the direction of their applied force, which may provide a simpler task as well. Western Michigan University states that the input force equals the work put into the machine and the output force is the work accomplished by the machine (Wakild 4). A lever is a perfect exampl... ... middle of paper ... ...the present day society. They are used from driving around to hanging a picture on the living room wall. They are also used during construction, and are even used in a task as simple as turning on the kitchen sink. Without doubt, the world would not be the same if simple machines were non-existent. Simple machines have and continue to make the largest global impact because they create less effort for people, they have helped people develop new technologies throughout history, and they continue to help people create new technologies today. Simple machines are basic technologies that are major uses for the human race. They are a huge benefit for people and will continue to be used in the future. Through time, people have become more mechanically intelligent due to simple machines and they will continue to help the human race obtain new technology to change the world.