What is Relative: Definition and 1000 Discussions

In music, relative keys are the major and minor scales that have the same key signatures (enharmonically equivalent), meaning that they share all the same notes but are arranged in a different order of whole steps and half steps. A pair of major and minor scales sharing the same key signature are said to be in a relative relationship. The relative minor of a particular major key, or the relative major of a minor key, is the key which has the same key signature but a different tonic. (This is as opposed to parallel minor or major, which shares the same tonic.)
For example, G major and E minor both have a single sharp in their key signature at F♯; therefore, E minor is the relative minor of G major, and conversely G major is the relative major of E minor. The tonic of the relative minor is the sixth scale degree of the major scale, while the tonic of the relative major is the third degree of the minor scale. The minor key starts three semitones below its relative major; for example, A minor is three semitones below its relative, C major.


The relative relationship may be visualized through the circle of fifths.

Relative keys are a type of closely related keys, the keys between which most modulations occur, because they differ by no more than one accidental. Relative keys are the most closely related, as they share exactly the same notes.

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  1. F

    I 3 clocks thought experiment - Absolute vs. relative aspects?

    Here are two similar, quite simple thought experiments, followed by assumptions on final clock readings. In the end, my most important question to them. Exp1: - we have two space ships, ss1 and ss2, both have clocks on board, named cl1 and cl2 - we have a third clock, cl3, somewhere located in...
  2. pinball1970

    Ancient Human Relative Walked Upright 7 Million Years Ago

    "The fossilized find, first uncovered two decades ago, suggests that early humans regularly walked on two feet some seven million years ago. This new analysis, published today in Nature, makes a strong case that Sahelanthropus tchadensis, a species that lived during the critical time when our...
  3. H

    I Dark Energy Strength in Great Voids of Galaxies

    Assuming dark energy is fairly, uniformly distributed through out the cosmos, how strong is it, or how much energy is associate with it, out in the deepest, emptiest voids in space? I'm specificlaly refering to the great voids in between the great walls of galaxy clusters. I'm making the...
  4. A

    I Can Crafts Reach 2c Relative to Me?

    Simple question for you guys. Thanks in advance for the help. If you are standing on earth with a watch and hypothetical crafts to your left and right instantly take off 180 degrees apart at the speed of light, at the 1 second mark on YOUR watch they will be 372,000 miles apart. From YOUR...
  5. J

    B Rotation is absolute, linear motion is relative?

    Can you explain with example what mean rotation is absolute and linear motion is relative?
  6. Shreya

    Kids on a merry-go-round & Relative Motion

    (Please refer the image below. ) The velocity of Nick ##v_N=\omega r## and the velocity of John ##v_S=\omega R## is depicted. The relative velocity of Nick with respect to John will be ##v_{NJ} = \omega (R-r)##. The velocity is along the tangent to the circle centred at B. If Nick were to move...
  7. S

    I How much better is HabEx going to be relative to Webb?

    I understand that this is the new big project for NASA.
  8. Lotto

    Can two objects moving parallel relative to a ground meet?

    I think that yes but how to explain it when someone standing on a ground sees them moving paralell? If I move properly, I can see two cars moving paralell ralative to the ground crashing, while someone on the ground do not see them crashing. Is it consistent?
  9. J

    B Idle Photons (motionless relative to the Earth's surface?)

    Can a photon ever be motionless relative to the earth's surface? Did it accelerate from 0 mps to 186,000 mps?
  10. E

    Relative velocity passing a ball between two soccer players

    For some reason I'm having trouble understanding relative velocity problems. I know how to solve this, but I keep guessing at random methods until my answer matches the solution in the textbook. I solved it correctly by breaking the velocity of the ball into x- and y- components, then solved...
  11. Argonaut

    Relative Velocity and Angles of Movement (Sears & Zemansky's Exercise)

    The official solution says ±25.4°, but I'm having trouble reproducing it. Here is my solution: 1) The components of the velocity of firework F with respect to the ground G in the moment of explosion are the following (Notice, I'm using sin, because the statement says 30.0° from vertical.)...
  12. A

    Is it possible to solve relative velocity problems without sine law?

    I was able to solve this question successfully by utilizing the sine and cosine law however my instructor said I was only allowed to utilize the vector component method, I am unsure how to complete this question using the vector component method as we have two unknowns(those being the angle of...
  13. A

    Relative velocity Question for a Ferryboat

    So far I have this: vbwx= 4.40c0s(28) = 3.88496409 vbwy= 4.40sin28 = 2.065674876 vpwx= 4.4ocos28 vpwy= 4.40sin28 +2.02 Find Square root of vpx^2 + vpy^2 = 5.43? Im confused as to whether we add the 2.02 to the sin28 or the cos28 though, did I do it right? Also, not sure how to find the...
  14. D

    Designing a spiral with a certain angle relative to movement direction

    I have a disk traveling on the inner blue track (let's say the blue part is the center of the disk). I want to push the disk outside (as the disk is traveling in a circle) to the outer track. The black part is the wall separating the tracks To that end, I've made some calculations, but I have...
  15. MatinSAR

    Relative motion with constant acceleration

    I think the question is wrong. My answer : But it should be wrong because : I think the question is wrong … But I'm not sure …
  16. unoonu

    Relative Velocity Against the Water Current

    vcanoe_wrt_ground = 3 m/s + (-6) m/s = 3 m/s - 6 m/s = -3 m/s Thus, if I understand this correctly, the rower will never reach his goal 36 m away as his canoe's resultant velocity is negative (i.e., his canoe is effectively going downstream even though it is trying to go upstream). My only...
  17. Ahmed1029

    I Why are acceleration, jerk, etc not relative, just like velocity?

    I've been thinking about this for a while, and thought it would be nice if someone could guide me to an answer. In Newtonian mechanics, an inertial frame is coordinate system that's able to make measurements with respect to some imaginary axes attached to it. It's a well known fact that velocity...
  18. jaumzaum

    I Difference between relative risk and odds ratio

    Hello! I was studying odds ratio and its relation to relative risk. By what I understood, the statistics that is indeed important for us and that have a nice interpretation for the context is relative risk (I was also wondering if odds ratio has any interpretation). But relative risk sometimes...
  19. A

    I Drag equation - relative flow velocity

    Hello! I have a question about aerodynamic drag. It sounds simple but when trying to understand why the relative velocity can be used in calculations I have some trouble. The formula is 0.5*rho*u2*cd*A where u is the relative velocity between the object and the fluid. The cd value depends on the...
  20. More_anonymous

    A Relativistic Relative Velocity Comp.: Bini, D. et al. (1995)

    I'm trying to understand this paper (equation 2.16 specifically): Bini, D., Carini, P., & Jantzen, R. T. (1995). Relative observer kinematics in general relativity. Classical and Quantum Gravity. Am I correct in reading there is no way to express the relativistic relative velocity composition...
  21. BillTre

    Discovering Auroralumina attenboroughii: A New PreCambrian Jellyfish Relative

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  22. C

    I Understanding relative friction

    Hello everyone! I'm reading this book and trying to get a more concrete understanding of friction and it's relation to Newton's third law. So in the solution he writes$$D - f - F_R = m_ta_x$$Where D is the driving force of the truck, f is the frictional force of the box on the truck, and...
  23. S

    I Relative humidity question (cooling the air in a room)

    Hello everyone, I have a question about calculating Relative humidity. If I have a surrounding with 30 degrees Celsius and RH of 30%. I am cooling the surrounding with an air conditioner that works at 15 degrees Celcius. At the end of the process, the room reaches 25 degrees Celcius. In this...
  24. Eclair_de_XII

    Is it permissible to omit words like "that" in relative clauses?

    I was looking at that other topic, and got to thinking about examples that I believe can be shortened without any general loss in meaning. "During the election, she suspected (that) her opponent had engaged in foul play." "She soon discovered (that) her opponent had done something (that) his...
  25. Shreya

    A new take on a relative velocity problem

    I can solve this question using relative Velocity or using 2 kinematics equations. But a peer of mine, tried to do it in a different way. He substituted the above said values in the 4 equations and solved for u in terms of t and differentiated them and equated to to 0 to find a maxima. He found...
  26. P

    I Relative Strength of the Magnus effect relative to gravity

    I have made a simulation of a table tennis ball being hit and landing on the table. There are 5 differential equations that are integrated to compute the horizontal position, horizontal velocity, vertical position, vertical speed and spin. by integrating 5 differential equations simultaneously...
  27. M

    I Relative Motion vs. 'Relative' Acceleration: Twin 1 & 2

    Given the relativity concept between twin 1 and twin 2 what is the difference between relative motion and 'relative' acceleration? Are not either twin experiencing the differential between them as a consequence of acceleration. When twin 1 instigates motion relative to twin 2, a moving carriage...
  28. R3ap3r42

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  29. alan123hk

    B Measuring Light's Brightness & Power Flux Relative to Observer's Speed

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  30. Marilyn67

    I Relative Simultaneity: Comparing 2 Incompatible Calculation Methods

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  31. Jonathon

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  32. only1god

    I Is movement really relative or absolute?

    I was discussing in another page this topic with someone. He said it's relative in everything, meaning that energy and force doesn't count. This is obviously wrong because the fact that today we can't (maybe tomorrow we can) know which thing is moving towards the other and which not, doesn't...
  33. brochesspro

    Relative Velocity of a Passenger Hitting the Dashboard in a Car Crash

    Where exactly have I gone wrong? I think it is the part where I assume that the person gains the deceleration of the car, but I have no other way to proceed in this case. Also please only use the equations that I have posted below, and it would help if you would not use the equation for...
  34. L

    I Probability is relative?

    For example, If I have a constant probability of 50% to death per day (sorry for the macabre example but I find it good); Every day I wake up, I can say:"Today, at the end of the day, I have a probability of 0.5 to be live( or to be dead)!". Now, one can calculate the probability that after...
  35. D

    Manometer -- determine height from relative pressure

    The correct answer is 5.6m, not sure where I made the mistake.
  36. V

    Finding A Relative Condition Number

    Hm I'm new to these concepts, and I want to make sure I am on the right track, would the relative condition number be: k=(x/2)((1/sqrt(x+1))-(1/sqrt(x))(1/(sqrt(x+1)-sqrt(x))). Or would I have to solve the limit as x approaches 0? Thank you.
  37. S

    Relative permeabilities in steel datasheets

    Hello, I have a question regarding BH-curves and relative permeabilities from electrical steel datasheets. When e.g. looking at the datasheet from the isovac 330-35A there is the data for the J/H-curve. I calculated B=mu_0*H + J and mu_r=B/(mu_0*H). When evaluating this calculation pointwise...
  38. S

    I Relative Speed of Light Between Objects

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  39. H

    Relative intensities of fine-structure components in an alkali

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  40. MD LAT 1492

    I Relative Motion & Local Frame’s Position - when projecting components

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  41. Shafia Zahin

    I Absolute and relative motion/rest

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  42. chwala

    Finding the relative extrema for a speed function using parametric curves

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  43. B

    What is the perceived relative velocity of these two motorcycles?

    I tried to project one on top of another but I know that's incorrect since I don't know how of do this.
  44. L

    Engineering Reviewing Efficiency of Otto & Diesel Cycle Heat Engines

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  45. Halc

    I Coordinate System for Minkowskian Spacetime Relative to Event

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  46. V

    B I have a conceptual question about relative mass

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  47. G

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  48. qnt200

    I If energy is relative, is the rest mass also relative?

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