Physics in Everyday

Topics: Lever, Force, Classical mechanics Pages: 2 (400 words) Published: June 10, 2013
Applications of Physics in Everyday Life
By Steve Johnson, eHow Contributor

Even walking manipulates physics, allowing people to proceed in a state of "constant falling." Physics extends well into people's everyday lives -- imprisoning people within its forces. From each step a person takes to the evolution of the body, physics has several long-term as well as short-term effects and uses. For everyday living, many technologies have even exploited the rules of physics. 1.

Simple Mechanical Devices
* An easy place to see physics in action is with a simple lever -- most easily observed at a park. Levers come in three flavors, each with varying fulcrum locations. They serve to magnify force, lessening the weight of an object on the opposing end. A simple "see-saw" at a park consists of a lever (the locations for sitting) and the fulcrum (placed in the middle). The two opposing forces counterbalance each other, creating a smooth ride through the air. Transportation

* The transportation industry is no stranger to the manipulation of everyday physics. Cars and trains utilize the wheel, preventing gravity from halting the movement of an object, allowing it to act as a constantly flowing object. Airplanes take it one step further, allowing lift as well as forward momentum. They manipulate physics -- much like birds -- by creating lift through wing shape as well as the wing's angle -- both of which serve to alter airflow. Modern Communication

* Physics is all relative. This theme resonates through Einstein's special and general theories of relativity. One focus is on the physics of time, which alters throughout the universe and doesn't maintain a uniform structure; the speed of an object can dictate the time-flow of and on that object. A common manipulation of this exists within GPS satellites. These satellites take into account variations in time-flow between the satellite and the GPS receiver. Natural Applications

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