Module 3 - Real-World Physics Discussion

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Embry-Riddle Aeronautical University *

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102

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Physics

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Nov 24, 2024

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docx

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1

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1 This week I will be discussing work and energy and how they relate to each other. Thinking outside of physics, it is an interesting concept to think that it is possible to calculate how much energy and force are involved in an activity. I choose to write about this topics because for once, I had a “aha” moment. Work which is force and distance moving in the same direction of force and energy is how we measure the capacity of work a system can do. When we hear the word “work” the first thing that comes to mind for most of us is our job or how we make a living. But speaking in terms of physics, we give work a slightly different meaning. When engaging in an activity you always want to find ways to minimize work in order to conserve energy. However in some cases if considering laws of physics, it will not matter which route you take. Let’s look at this more closely! Assuming you have to move a heavy box from point A to Point B, would you pick it up and walk with it or would you push it? Two things to keep in mind would be force (mass and acceleration) and distance. If you choose to pick up the box, you will require more force including overcoming gravitational force, if you choose to push the box, you will have to overcome friction and if using the formula for w=Fd you will find that the two ratio even out and the same amount of energy(jule or J) is burned. Energy, no work can be done without energy. Just like work, energy comes in many forms, some which are chemical, electrical, gravitational, nuclear, mechanical and so on. The two most common types of mechanical energy are kinetic and potential. How can we determine exactly how much energy is require to do work? Back to our heavy box, whether you decided to push or lift the box, you lost energy which was transferred to the box, this concept is referred to as conservation of energy. Anything with kinetic energy we can use the formula ��=12��2 and anything with Potential energy we can use the formula PE=Wd and just like work, the unit for energy is also j(Jules). Every aspect of life involves work and energy, as I am writing this paper, I am working and burning energy. Reference Ostdiek, V. J., & Bord, D. J. (2017b). Inquiry into Physics (8th ed.). Cengage Learning.
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