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. B

    Torque and Newton third's law applied to rotatory motion.

    Homework Statement Two blocks of mass m are suspended on the ends of a rigid weightless rod of length L1 + L2; With L1=20 cm and L2= 80 cm. The rod is held horizontally on the fulcrum shown in the diagram and then released. Calculate the accelerations of the two blocks as they start to move...
  2. O

    MHB Scaled applied forces for an elastic rod

    am having difficulty in understanding this problem and frankly I don't know how to approach it, please assist on how to solve itThey say that an elastic rod is modeled as the half time[0,infinity). initially it is at rest. at the end point x=o, a force f(t) is applied then they give me the...
  3. G

    Acceleration After Applied Force is Stopped?

    I have a question that has been puzzling me for a while. When I drive my truck and accelerate hard until 25 mph then put the clutch into roll freely, the truck will climb a few more mph before beginning to slow down. This is on flat ground or even a slight uphill. The way I see it is as...
  4. F

    Difference Engineering Physics, Applied Physics, traditional engineer

    Hi, what is the difference between engineering physics, applied physics, traditional engineering(mech E, elec E)? Thanks!
  5. J

    What phenomenon occurs that reduces drag when a swim cap is applied

    Dear Experts, I am 4th year undergraduate who did experiments for drag reduction in swim cap. I had applied hydrophobic and hydrophilic coatings on my cap. My final results are shown in attachment below. The no cap has more drag than body with swim cap without coatings. There is not much...
  6. R

    Ampere's Law when applied to a toroid

    It's a simple question: Why is Ienc in Ampere's Law in a toroid equal to µ0NI where N is the number of loops around the toroid? Why is I N times greater when the wire is looped around the toroid? When you take a random wire with current and you change the geometry of the wire into a loop...
  7. B

    Applied physics, theoretical physics and engineering

    I have a question regarding the different fields I mentioned in the title. What exactly are the differences? I'm currently majoring in mechanical engineering, with plans of going into aerospace engineering. However, I was wondering what different fields are involved in coming up with new...
  8. A

    Is majoring in Applied Math or Statistics more employable?

    I'm debating between majoring in Applied Math or Statistics ( which at the hands on school I'm going to attend, really should be called "applied statistics"). I am required to choose an emphasis for both majors, which i will choose computer science for either. Which major is going to be more...
  9. W

    Resonance-The frequency of an applied force

    This isn't so much homework as it is me having trouble understanding a concept. I'm having trouble understanding resonance the definition in my book is "If the frequency of a periodic force applied to a body is the same as or very near to its natural frequency that body will vibrate with...
  10. E

    What exactly is applied mathematics?

    I'm a Math and Mechanical Engineering double major who is considering graduate school for Math in the future. If I have always been interested in epidemiology and combining my love of math with my love of engineering, should I get my phd in applied math? Thanks!
  11. S

    Applied Math with economics and some programming

    ...so am I screwed in getting a job? For my programming, I learned Python and C++ very well (they're fun). I loved probability. I'm one semester away from finishing. My Math GPA was a bit over 3, but my overall GPA stinks (around 2.6...I hated humanities and I started as a sociology...
  12. A

    Can a shear force diagram be a function of applied load P?

    …or must it be of displacement, x? In a shear force, V (or bending moment, M) diagram, isn't it usually the shear force (or bending moment) plotted as a function of displacement, x? When someone asks to "draw the shear force and bending moment diagrams as a function of the applied load...
  13. T

    Programs New Applied Math Degree (CS Track)

    Hello everyone, I am a senior at a university in Florida. I am currently majoring in Asian Studies and minoring in Applied Math. I am going to graduate this upcoming fall semester, but I am still interested in finishing the Applied Math minor that I started with a new degree that is going to be...
  14. A

    Programs Economics or Applied Math major with better job propsects?

    I'm debating between applied math and economics major. Which has better job prospects?
  15. R

    MHB How Does the Earth's Atmosphere Function and Protect Life?

    The first image contains questions And the second image shows my answer which i manage to do so far, but some of them i could not do it.
  16. N

    Force applied to 2 connected mass.

    A force is applied to m1 connected to m2 by a "massless" cord. where m2>m1. the acceleration, a, is a = F/m1+m2 By decomposing the system into A and B where A refers to the tension on m1 upon having the force applied onto m2, the tension TA is to the positive x-direction. However, in...
  17. F

    Finite element method and applied element method

    What are the advantages and disadvantages of both AEM and FEM and which on is easier. I am doing a project and I should use one of these two methods to solve for a truss system. P.S. computer programming shall be used. In the end which method is better for this case?
  18. M

    Studying Textbook problem - Applied Mechanics textbook ideas?

    Textbook problem -- Applied Mechanics textbook ideas? Due to in-availability of my textbook, I took a mechanics book by Egor Popov "Engineering Mechanics of Solids". The problem is, it doesn't have any answers for even numbered questions. One has to buy a solution manual to see them, which is...
  19. N

    How can Logarithms be applied to real life situations and examples?

    If I understand Logarithms correctly it is the orders of magnitude? Either exponentially growing or exponentially decaying. I've heard that exponential growth is the same as the growth of cancer cells. But what are some other real life applications/examples of logarithms? Thank You
  20. T

    Applied Mathematics, or Physics undergrad?

    Hey guys, I'm kinda new here, and I have a bit of a perplexing personal question. I'm a first year engineering student right now, nothing too crazy, just the jr. college level. But the more projects we do, and the more the class progresses, the more I find myself leaning more toward theory and...
  21. A

    Is a B.S in applied math employable?

    A little background about myself: I was admitted as Biochemical engineering major at UCD out of high school. I had no confidence in my mathematical ability at the time, but i applied for engineering because i believed I wouldn't be employable otherwise, which I still believe to this day...
  22. M

    In both cases force is being applied?

    If a positive charge is pushed towards another positive charge then the potential energy of the system increases. When negative charge attracts positive charge why doesn't the system gain potential energy? In both cases force is being applied?
  23. Y

    Master in applied mathematics, MA in math, and Ms in math?

    Hello guys! I really need some help here. I will get my BA in mathematics in two months. I want to get a master degree in math online. However, I'm not sure what should I get. Here are three programs I saw. Master in applied mathematics, MA in math, and Ms in math. I'm not quite sure what...
  24. P

    From applied mathematics to physics.

    I am currently an undergraduate student at a department of applied mathematics. Its a 4 years (240 ects) program in which I can take lots of physics classes directly from the department of physics of my university as well. The thing is that I start to believe that I like more to do physics...
  25. S

    Calculating Object Speed with Changing Force Applied

    Homework Statement A net force along the x-axis that has x-component Fx=−12.0N+(0.300N/m2)x2 is applied to a 3.20kg object that is initially at the origin and moving in the -x-direction with a speed of 8.60m/s What is the speed of the object when it reaches the point x = 9.00m ...
  26. W

    What Determines the Force of a Water Jet on Different Surfaces?

    To experiment with conservation of linear momentum I did lab where a jet of water is shot at a flat plate and a hemispherical cup. After simplification the final equation for the theoretical force came out to be F_t= \dot{m}V(1-cos \beta) where \dot{m} is the mass flow rate of water and V...
  27. E

    Gauss's Law applied to an infinite sheet of charge

    Homework Statement The problem that inspired the upcoming question is: Find the magnitude of the electric field due to an infinite sheet of charge with uniform charge density σ using gauss's law. I have in fact arrived at the character answer σ/2ε...
  28. breadvsrice

    Vertical Cable, Torque, Force applied to Wheels

    I am working on a project at my University. It's extra-curricular and not homework related. At the end we will give a report on what we learned during the development. Our team is working on some ideas for a basic robotic climber, that climbs a cable (similar to a seatbelt). What we decided...
  29. Dishsoap

    Anyone applied for summer 2014 internships/fellowships yet?

    If so, please post what you applied for and be sure to let us know when you hear back! I have been lurking on the recent threads like this for 2012 and 2013, and want to better understand what my chances are for this upcoming summer. I applied for the following things: 5 projects through...
  30. J

    Sliding box question- finding applied force with friction

    Homework Statement A 90 kg box is pushed by a horizontal force F at constant speed up a ramp inclined at 28°, as shown. Determine the magnitude of the applied force. when the ramp is frictionless. when the coefficient of kinetic friction is 0.18. Homework Equations Ff= uk(Fn) The...
  31. N

    Engineering Applied Science vs Engineering

    I recently graduated with a bachelor's degree in physics and, like many other people, am finding that without going to gradschool I'm not going to find a good job. I'm not really interested in the long academic path of a PhD, I would much rather get a master's and go into industry. At first I...
  32. P

    Applied Physics vs Physics: What's the Difference?

    what is the difference between these two programs? Does applied lean more on being an experimental physicists?
  33. R

    Ground force applied to wheel in pure rolling motion at contact point

    Homework Statement Suppose a wheel with radius R is resting on a non-inclined surface. A torque \tau is applied to the wheel center. In an attempt to prevent wheel from spinning, the ground applies a static friction force to the wheel at the contact point (parallel to the surface), then the...
  34. A

    Applied Statistics with emphasis in Physics?

    I'm planning to major in Applied Statistics, which requires me to choose a concentration in either Economics, Science, or Business. I know that Statistics is often applied to Biology (Biostatistics), but what abut Physics? Physics can often yield accuracy up to 100 percent, eliminating the need...
  35. G

    Applied force in horizontal direction on block on a inclined plane.

    Homework Statement 10kg block on a inclined plane (32degrees) (frictionless) and an applied force 120N horizontally. What is acceleration? Homework Equations Fnet = ma The Attempt at a Solution mgsin32 = 51.9N (from mg) From applied force, in the same plane, we have xcos32=120...
  36. E

    Applied or Pure Math for Future Teacher?

    Hi everyone! Thank you clicking on this thread. I am a community college student seeking to transfer by the end of this upcoming spring semester. I plan to major in math; my main goal is to become a high school teacher or community college professor. Only recently did I find out that...
  37. K

    Is an Applied Physics Major Employable?

    My university offers an Applied Physics major with seven specialties: atmospheric physics, chemical physics, computational physics, geophysics, materials science, physical electronics or physical oceanography. I could also pursue a B.S./M.S. degree in electrical engineering if I choose the...
  38. E

    Applied directional derivative problem

    Homework Statement The temperature at a point (x,y,z) is given by T(x,y,z)=200e^[−x^(2)−y^(2)/4−z^(2)/9], where T is measured in degrees celcius and x,y, and z in meters. Find the rate of change of the temperature at the point (0, -1, -1) in the direction toward the point (-2, 1...
  39. N

    Schools Applied Physics/Kettering University Questions

    Hey guys, I was just accepted to Kettering University in Michigan for Applied Physics! I really like the school because of its co-op experience, you spend one quarter of the year taking classes, the next in a co-op with a company, and the rotation continues. However, I was wondering how good...
  40. P

    Calculating Tension and Acceleration in a Pulley System with Applied Force

    Homework Statement A force of 25 N is applied on the pulley. M1 = 1.5 kg, M2 = 2.5 kg, light frictionless strings and pulley. a) What is the tension in the strings? b) What is the acceleration of the masses? c) What is the minimum Force to apply on the pulley so that M2 comes off the...
  41. M

    Rotational Dynamics of a Cylinder Rotating Under an Applied Force

    Homework Statement A light rigid cylinder of radius 2a is able to rotate freely about its axis, which is horizontal. A particle of mass m is fixed to the cylinder at a distance a from the axis and is initially at rest at its lowest point. A light string is wound on the cylinder, and a steady...
  42. M

    Force Applied to Box on Incline

    A force is applied to a box that is initially at rest on an inclined surface. The incline is at an angle θ=20.0° above horizontal. The mass is m=36kg and the vertical force is Fapp= 48N. Between the box and the inclined surface the coefficient of static friction, μs=.240 and a coefficient of...
  43. M

    Finding Minimum Force Applied to Keep Objects Stationary?

    The coefficient of static friction between the crate m1=3.00kg and the incline with θ=35° shown in the figure below is .300. What minimum force F must be applied to the crate perpendicular to the incline to prevent the crate from sliding down the incline? mgsinθ μsmgcosθ f=ma I don't quite get...
  44. R

    How Does Ito's Lemma Simplify the Stochastic Integral of W^n?

    Prove the following result for the ito stochastic integral (n>1) ∫_(t_0)^t▒〖W^n dW = 1/(n+1) (W^(n+1) (t)- 〗 W^(n+1) (t_0 ))- n/2 ∫_(t_0)^t▒〖W^(n-1 ) dt〗 Hint: apply ito differentiation rule f(W) = W^(n+1) to express W^n dW via dW^(n+1) and W^(n-1) dt (analogue of integration by parts for...
  45. M

    Programs Applied or pure maths major goes with Chemistry

    Hi! This is my first post in this forum, hopefully I will get some guidance :) Long story short, I am pretty much set in doing a double major in Chemistry and Mathematics. The thing is, I'm really having trouble choosing between Applied Maths and Pure Maths major. I have completed my...
  46. S

    What does an off center applied torque do?

    I know that if a force is applied off center (as in: not in the center of gravity), one can split them up in an equal force and a moment in/about the center of gravity. But what about a torque applied offcenter? Maybe this image clarifies my problem: So the force will be split op in a...
  47. R

    If enough heat is applied to an object, will it reach escape speed?

    This is just something I'm wondering, if we apply enough heat to an object, and since the speed of the molecules inside it is directly measured by temperature, will the molecules inside the object move fast enough to reach the escape speed of the planet that it is on? I know that this is the...
  48. K

    Conservation of Energy applied to A system with Rotation and Translati

    Problem Statement: The system consists of a 20-lb disk A, 4lb slender rod BC, and a 1-lb smooth collar C. If the disk rolls without slipping, determine the velocity of the collar at the instant theta=30 degrees. The system is released from rest when theta= 45 degrees. Above I attached a photo...
  49. T

    Feedback and Control Theory applied to Cosmology and Particle Physics

    The radical Smolin thread left me wondering if other similar ideas could not be applied to other areas of Cosmology and even Particle Physics. Every complex system I can think of in our lives, and in nature, forms part of a complex multifaceted control system or process, with various feedback...
  50. A

    MHB Complex Number Problems in Applied Maths

    This is a thread for complex number problems in applied mathematics. 1. Prove that: 1 + cos x + cos 2x + ...cos (n - 1)x = {1 - cos x + cos (n - 1)x - cos nx} / 2 (1 - cos x) = 1/2 + [{sin (n - 1/2)x}/2sin (x/2)]2. If a = cos x + i sin x, b = cos y + i sin y, c = cos z +...
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