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    Nonzero net force involving no displacement. Is this accurate?

    So I am studying mechanical engineering, and I got into a debate with my (mit mechy) graduate roommate about the possibility of having a net nonzero force which involved no actual displacement of an object. Normally, when an object is accelerated along a direction (given an external force)...
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    Automotive Alternate approach to Engineering (opinion please!)

    This is not a re-post of my other thread in general section, so please understand. First, a brief description of myself: I'v gotten my associates degree in Automotive Technology/Repair, with perfect scores. ASE certified. But I have always been an aspiring Mechanical Engineer, with assisted...
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    University Admissions Essay reference, I need your opinion!

    First, a brief description of myself: I'v gotten my associates degree in Automotive Technology/Repair, with perfect scores. ASE certified. But I have always been an aspiring Mechanical Engineer, with assisted passion for technical/hands-on intuition. That is why I studied a vocational field...
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    Automotive Torque/hp philosophy (infinant gear ratio)

    I am still trying to visualize horsepower and torque seen on the racetrack, and its hard. Obviously torque is a component of horsepower. Without enough torque, a car would take forever to reach its power-band. With a lot of torque, but merely no horsepower, a car would have a very steady...
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    Automotive Another hp v tq thread this ones optimistic

    OK, I'm seriously struggling with this horsepower torque conflict, mostly because of all the god damn bias going around in these forums. It seems that the facts only go so far as to saying hp is a measure of power, and torque is a measure of turning force, then when people try to bring about...
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    Endothermic absorb energy How do they begin in the first place?

    Endothermic absorb energy... How do they begin in the first place?? PLEASE, BEFORE ANSWERING I would like you to hear me out. >>> Im really confused as to the phenomenon of why endothermic reactions between mixing of two substances just spontaneously happen.. giving them temporary "cold"...
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    Please, help me me better understand physics/math proportions

    Please, help me me better "understand" physics/math proportions please read before answering, I would sincerely appreciate those of you who can guide me through my knowledge of physics and engineering. Ok, currently i'm a highschool grad, just got my associates degree in automotive applied...
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    (at the most fundamental level) why does energy release upon chemical reactions?

    Please don't be bothered by my question, i know it sounds real elementary and it could easily be researched, but after doing so, i haven't been able to find anything on how or why the natural phenomenon of energy release takes place as chemicals react with one another. If you think about it...
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    Automotive Why not CVT? Its ingenious to say the least.

    Most of us are familiar with the continuously variable transmission. Disregarding reality for a minute, I think one should understand that the crucial components of making something (anything) turn at variable speeds requires that of a POWER SOURCE.. (engine) and its counterpart of a MEANS TO...
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    Automotive How performance car parts influence torque vs horsepower?

    I am currently majoring in mechanical engineering at Texas A&M after having completed my associates degree in automotive technology (4.0gpa) while i'v been fixing cars at Firestone Autocare. Its odd that i rarely find anyone who knows a thing about the physics of energy efficiency and the...
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    (QUESTION) electric motor nature

    ok, so im coming from a complete automotive perspective so when i refer to voltage applied to an electric motor (engine starter motor for example) i mean 12v direct current. typically consisting of a battery that puts out 500 cranking amps.. the question is real simple but iv noticed auto...
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