Module 3 - Real-World Physics Discussion

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Embry-Riddle Aeronautical University *

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Physics

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Nov 24, 2024

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docx

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1 Law of Observation of Linear Momentum Out of all the concepts we read about this week, momentum stood out the most to me. Very specifically the concept of the hockey player hitting the puck. I was raised playing and watching hockey (Ostdiek & Bord, 2018). I was an “ah ha” moment when I saw that illustration. The Law of Conservation of Linear Momentum is, “The total linear momentum of an isolated system is constant (Ostdiek & Bord, 2018).” The way we solve for this is by dividing the change in motion by the change in time (Ostdiek & Bord, 2018). (Ostdiek & Bord, 2018) An impact on aviation is the motion of air. Take an engine for example. Most motors pull air in the front, compress it, and push it out the back. This pushes against the air behind the aircraft pushing it forward and creating linear motion. Another example would be the act of towing an aircraft. Once the aircraft is pulled forward, the momentum transfers from the tow vehicle, through the tow bar, to the aircraft. A non-aviation- related example is balls on a pool table. Once hit, the white ball will hit the other balls, creating a linear energy transfer. As seen below, the balls at the top are about to collide, then they collide and transfer energy and finally move apart (17 conservation of momentum examples in real life , n.d.).
2 (17 conservation of momentum examples in real life , n.d.) My take on all of this is that understanding the laws of linear motion is essential to the development of any part of an aircraft. Understanding how objects interact and transfer energy, especially momentum can mean life or death to an aircrew. If the incorrect amount of forward momentum is applied in the creation of an aircraft it could cause total failure of the aircraft. On a less note, if this wasn’t fully understood games like bowling and pool would be much less predictable. References 17 conservation of momentum examples in real life . (n.d.). studiousguy. https://studiousguy.com/conservation-of-momentum- examples/#:~:text=Billiards%20and%20Snooker,-Billiards%20and %20snooker%26text=The%20player%20playing%20either%20of,the %20system%20throughout%20the%20process. Ostdiek, V. J., & Bord, D. J. (2018). Inquiry into physics (8th ed.).
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