What is Applied: Definition and 1000 Discussions

Applied science is the use of the scientific method and knowledge obtained via conclusions from the method to attain practical goals. It includes a broad range of disciplines such as engineering and medicine. Applied science is often contrasted with basic science, which is focused on advancing scientific theories and laws that explain and predict events in the natural world.
Applied science can also apply formal science, such as statistics and probability theory, as in epidemiology. Genetic epidemiology is an applied science applying both biological and statistical methods.

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  1. A

    Max torque that can be applied to a threaded body

    What is the max amount of torque that could be applied to 1 in male threaded NPT pipe when it is threaded into a 1 in female threaded body that is made from ASTM 126 cast iron. The dimensions of the threaded female body are shown below.
  2. B

    Courses Applied vs Proof Based Linear Algebra

    Hi, I’m going to be entering my first year of University this fall to study physics. In my second semester I will have to take a linear algebra course; however, my school has two different lower level linear algebra courses, and I must choose one. One course is focused more on applications of...
  3. N

    Programs Applied Physics or Physics of Materials?

    Hello, My university is offering a couple of programs in Physics: Applied, Astro, Computational, and Material. So far, I liked Material and Applied in terms of getting early job opportunities. What advise do you guys have for me, before I make my mind for any of them? Thank you!
  4. J

    Deformation of a metal sheet with a tip force applied

    Homework Statement Stretch forming[/B] A 38.1 cm-long sheet with a cross sectional area of 3.2258 cm2 is stretched with a force, F, until alpha = 0.35 rad. The tip of the force is fixed to the strip by some means, thus maintaining the lateral position of the force. (The left portion of the...
  5. J

    Potential energy loss related to force applied?

    How can I calculate the loss of potential energy when forces are applied but no motion in the system occurs? Here's an example: Let's say I build a battery operated car that is set to drive forward, but I put it right in front of a wall. It attempts to drive forward, but instead it just pushes...
  6. K

    Find the principal stresses in a shaft with torque applied

    Homework Statement Homework Equations M = Fd σ/y = M/I T/J = τ/r σalternating (σa) = σmax - σmin / 2 σmean (σm) = σmax + σmin / 2 soderberg: σa/σ'e + σm/σy = 1/FoS The Attempt at a Solution I am still unsure whether my progress so far is correct but.. I have calculated J to be 38.35e-9 m4...
  7. T

    Boundary conditions errantly applied to pressure across flui

    I am trying to decipher if an error occurred in a calculation given in this paper. It is understandable that if two compressible fluids of different uniform densities have a common interface (e.g. Figure 1), then to be in equilibrium and supported against gravity, there must be a pressure...
  8. gibberingmouther

    Studying Proofy math versus applied math

    i guess a lot of physics could be considered applied math, though the more you know about how nature works, including how more abstract subjects in math work, probably the better will be your overall understanding. so there are problems of the type you have in a physics textbook - these are...
  9. vsv86

    Physics Job resources for academic positions in nano-optics and applied electrodynamics

    Hello I am planning to apply for some academic positions (lecturer, assistant professor level and equivalent) in US, Canada and Australia. My field is nano-optics and applied electrodynamics. Can anyone suggest websites where such positions would be advertised? I have googled of course. I get...
  10. fluidistic

    I Do electrons have a net motion when a DC voltage is applied?

    I am wondering whether electrons have a net motion against an applied constant electric field in a conductor. Intuition tells me that "of course they should", but so far the math has shown me otherwise. Here are my current thoughts: 1) I cannot rely on the obsolute Drude's model. What's more...
  11. V

    Vector addition and the force applied to the shaft of the pulley

    Homework Statement Hello, I am currently studying mathematics and physics on my own, and I ran into a type of problem in physics that is a bit unclear to me. Say we have pulley at the top of an inclined plane with a base angle of alpha and the top angle is alpha. Homework Equations I assume...
  12. L

    Laplace transform applied to a differential equation

    Homework Statement Solve ##\frac{dy}{dt} -y = 1, y(0) = 0## using the laplace transform Homework EquationsThe Attempt at a Solution ##\mathcal{L}\big\{\frac{dy}{dt}\big\} - \mathcal{L}\big\{y\big\} = \mathcal{L}\big\{1\big\}## ##sY(s) - y(0) - \frac{1}{s^2} = \frac{1}{s}## ##Y(s)...
  13. Tone L

    Programs Johns Hopkins Applied Physics Masters (online?)

    Hi all. I was wondering if anyone out there in the PF community, themselves or knew someone who is working on a masters degree in Applied Physics, online, from Johns Hopkins. I've never heard of upper level physics classes like the ones listed, being done online. Thoughts?
  14. M

    I Forces applied to trailer hitch

    If I am towing a 10,000 lb. trailer downhill on a 6% grade at 65 mph and I hit the brakes coming to a complete stop in about 5 seconds, how much force is being applied to the trailer hitch? I am trying to build my own hitch and the forces applied will help me determine plate thickness. I will...
  15. A

    How can I measure the force applied to something?

    Homework Statement For a personal project I am doing, I want to test a range of forces in the horizontal direction, and see how the device I created reacts at different forces. So for example, if I want to apply 5N specifically to a device, to see how it reacts under that force, how would I go...
  16. Tjcarney

    Programs Applied Math or Electrical Engineering (Active Duty Military)

    I am currently active duty military and an aspiring physicist(probably theoretical but I haven't decided). I'm planning to take college classes online but there aren't any accredited physics degree programs that are online (at least that I found). The next best thing that I can find are 2...
  17. alantheastronomer

    Virial thereom as applied to clusters of galaxies

    I'd just like to comment if I may - The virial thereom is not applicable to clusters of galaxies as the numbers of member galaxies in the majority of clusters (as opposed to superclusters) are too small for the virial thereom to effectively calculate the cluster mass. There is a short article to...
  18. Hamza Qayyum

    I Force applied to a sphere off center of mass

    I'm trying to model a sphere having force applied at position P in the following diagram: I know that this applied force will have an x and y component; the y component will propel it upwards, but what I am confused about is the x component of the force. I know that the x component will propel...
  19. R

    Applied Acoustics - decouple a speaker and a wooden table

    If several sheets made of some kind of rubber are being used as acoustic insulators, which configuration would be more efficient to decouple a speaker and a wooden table, absorbing most vibrations? (Ps: Image not drawn to scale)
  20. S

    Kinetic energy, size of object, and force applied

    Kinda looking to confirm what I already suspect. All things being equal, if two objects have the same kinetic energy, does the fact that one is larger and heavier than the other (although at a slower velocity) mean anything? Specifically when comparing bullets. One bullet .451" in diameter...
  21. J

    Calculating the applied retarding force

    Homework Statement An iron ball with a mass of 30kg falls freely from a height of 30m and impacts with the ground without rebounding. It enters into the ground and is brought to rest at a depth of 8m. Calculate the applied retarding force. Homework EquationsThe Attempt at a Solution
  22. H

    Is Mu-Metal the Solution for High Permeability Applications?

    If you had a box made of mu-metal and and a magnetic material inside the box, then took an insulated wire and wrapped outside the mu-metal box and applied a current, then applied a magnetic field outside the box, which one would magnetize the mu-metal, even for a brief amount of time? Also, if...
  23. TheQuestionGuy14

    Could Time Travel In Fiction be applied to real life?

    I've watched a lot of time travel movies, most are just pure sci-fi. Bht some movies use parallel universes to explain the time travel in the plot. Here's where my question comes in: Say if time travel ever was invented, but it created parallel universes when people went back. Would this mean...
  24. C

    B How do you calculate how much force is applied to a thrown bal

    I’m trying to calculate how hard someone throws a ball. I know that F=ma, but the only force acting on a ball is the force of gravity and so the equation simply cancels out.
  25. R

    Logic applied to making isothermal assumption

    Homework Statement A thin electrical heater is inserted between a long circular rod and a concentric tube with inner and outer radii of 20 and 40 mm. The rod (A) has a thermal conductivity of kA = 0.15 W/(m*K), while the tube (B) has a thermal conductivity of kB = 1.5 W/(m*K) and its outer...
  26. M

    Kinematics question -- Impulse applied to a plate hanging from a wall

    Homework Statement A circular plate with radius 0.5 m and mas 5 kg is hung on the wall, fixed at a point that is 0.3 m above its center. The plate can freely rotate about the fixed point with no friction. A very short-duration impulse of 5Ns, along a direction that is tangential to the...
  27. F

    I Can angular momentum be applied to non circular rotations?

    One of the reasons I've been so stumped about learning about angular momentum in QM, is that in my classical physics class we only applied it to circular motions. Hence, while I am aware that angular momentum is connected to spherical harmonics, the orbital shapes (besides s) isn't really...
  28. FallenApple

    Admissions Which PhD do I have a better shot in? Stats vs Applied Math?

    So I have a MS in Stats and a BS in Applied Math. For various reasons not related to raw ability, my GPA in Stats turned out to not be so good( 3.4) but my math GPA from undergrad is excellent ( 3.8). Should I even attempt continuing on in Stats or can I start over with a fresh plate in Applied...
  29. T

    Programs Degree in Biostatistics vs applied Math

    Howdy everyone. I am a transfer student (starting in January) to a small religious private university. This university is very strict (in general and academically) and they typically do not allow double majors (unless under 140 semester units) and they also make it VERY hard to change your...
  30. R

    Comp Sci Velocity Verlet applied to solar system with C++

    Homework Statement Hello, I am attempting to use the velocity Verlet algorithm of integration applied to the solar system in c++. My goal is be able to use the outputted position components in a plot to see if the trajectory of my object is elliptical/parabolic/hyperbolic resulting from the...
  31. R

    Magnetic Force Applied to An Object @ d (0,n) (Rail gun on Mars)

    So long story short, I'm trying to write a scientifically accurate short story/animation thing and it revolves around a mass driver: it's a giant and deep hole on Mars with a magnet on the bottom or sides or something and fires packets of objects to Earth at breathtaking speeds (4.66 million...
  32. Shatakshi vishnoi

    Physics Best career after doing M.Sc. in Applied Physics

    I have done M.Sc. in Applied Physics but I do not want to do Ph.d. What are the other options, please suggest me. Thank you.
  33. R

    Ratio of electric field to applied magnetic field

    Homework Statement A metal rod of mass M and length L is pivoted about a hinge at point O as shown in Figure P32.80 (I have attached this to this post) The axis of rotation passes through O into the page. Find the ratio of the maximum electric field inside the rod to the applied magnetic field...
  34. M

    What is the top velocity of an object with a certain force applied in a vacuum?

    ok i have a simple enough scenario that i need a hand with solving. first off just to say, i don't know how to do the math for it so maybe someone here could help me out. basically has to do with finding the top velocity of an object with a certain force applied. all in a vacuum and without any...
  35. T

    Applied Angular Velocity & Acceleration

    Hey guys, I'm working on a product that rotates cups around a shaft, I am trying to calculate the torque required to do so. I have given it my best shot below, does this seem right to you? The Main Shaft Motor will need to rotate holder one from the filling cups position to the pressing lids...
  36. esha

    Why does the car skid when brakes are applied too hard?

    When the car is accelerating let's assume the force on it is ma. In order to stop this force we have to apply the brakes which apply a force in the opposite direction. But this force should not exceed ma. It is because the additional force will act on the tyres and create an additional...
  37. J

    Applied force compared friction force at constant velocity

    Homework Statement How does an applied force and a frictional force compare when moving at constant velocity? Homework EquationsThe Attempt at a Solution
  38. S

    Physics What Can You Do With An Applied Physics Dregree

    I am applying to universities soon and the one subject that I would like to have in any area of study is physics, if I were to study pure physics than I would specialize in applied physics. I know that there aren't many jobs in specifically research areas which would be a dream job, so what...
  39. S

    Programs Applied Physics specialization: Biophysics vs Quantum

    Hi! I am starting my Master's in Applied Physics at the TU Delft next week and I have yet to decide a research track (i.e. specialization). I have narrowed my options down to bionanoscience and quantum nanoscience. Of these two, which would be better? Of course, 'better' is a vague term, so what...
  40. D

    Would HE light applied to mercury vapor produce electricity?

    I'm likely going to have a ton of questions in the following weeks about a wide range of particle physics etc. If (electricity X mercury vapor) = light, then multiplication being transitive, (light X mercury vapor) = electricity. Can someone inform? I've found only mercury vapor as a metallic...
  41. G

    Programs Should I double major in Applied Math and Physics?

    Hello, I am looking for some advice. I am currently going into my 4th year of my Physics degree, going to be graduating in spring of 2018. One of the other students in my major has come up with a way to finish his major in Physics, while also taking the required classes to finish the Applied...
  42. Auto-Didact

    A Algebraic topology applied to Neuroscience

    Eugene Wigner once famously talked about the "unreasonable effectiveness of mathematics" in describing the natural world. Today again we are seeing this in action in particular with regard to the description of the biological brain from the perspective of neuroscience. Researchers from the Blue...
  43. lomidrevo

    I How is SR applied to circular motion?

    Hi all, I have a problem to fully understand how we can apply Special Relativity to a system where one observer is still in the center, and other one is moving in a circle around. For example, like a satellite orbiting Earth. In case of GPS, the clocks carried by satellite are running slower...
  44. D

    Programs Applied Physics vs Professional Physics (emphasis)

    In pursuing a BS in Physics, my university offers an Applied emphasis and a Professional emphasis. However the class selection seems to be the same for both. I get this information from an option in my student account that allows me to theoretically change my major to a degree that I'm not yet...
  45. P

    Programs Physics engineering Or Applied Physics? ....theoretical?

    Hey there. I am going to stay the University next year and I want to know what do you think about the three options I have actually. I really like science, and I like to know about the process of the nature, how it is defined by math and by the physical processes. It is my passion I, in the...
  46. C

    B Heisenberg applied to accelerated particles

    I may be getting these Thread Levels wrong. I get the impression that they apply to my level of knowledge such that someone else might be able to give an answer that I might be able to understand rather than the level of knowledge required to answer the question. Rest assured I am quite stupid...
  47. John Jacke

    Programs Masters in biotechnology after BS. in applied mathematics?

    Do you know about if this is possible or which schools offer a degree like this? Aside from mathematics I have taken the following courses related to biotechnology(science-based): General biology 1 and 2 with labs General chemistry 1 and 2 with labs General physics 1 and 2 with labs Mechanics...
  48. D

    Other Biomedical Engineering considering Applied Physics

    Hello everyone! This is my first time posting on here so idk if I'm under the right forum lol. I am an undergad in BME and WAS on the pre-med track. I always "wanted" to be a doctor just because I didn't really know much about other careers but also A LOT OF FAMILY PRESSURE. I finally decided to...
  49. K

    (thermo) how to calculate the temperature of a coal furnace (applied)

    I am an new EE with my FE, but my thermo knowledge is lacking in many areas. Its one area where i would like to become an expert. So i try to find ways of applying thermo analysis on my free time to imprve my skills. where here is one and I have no idea where to even start. a youtuber with a...
  50. Twigg

    A Green function issue: can bound. cond. be applied mode-wise?

    Hello, Before I begin, a lot of the math I try to describe in this post is stuff I worked out myself and have scribbled down. If something looks fishy or doesn't make sense, it could very well be totally wrong! Apologies for any confusions in advance. Consider a slab of linear isotropic...
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