question Definition and 23 Threads

A question is an utterance which serves as a request for information. Questions are sometimes distinguished from interrogatives, which are the grammatical forms typically used to express them. Rhetorical questions, for instance, are interrogative in form but may not be considered bona fide questions, as they are not expected to be answered.
Questions come in a number of varieties. Polar questions are those such as the English example "Is this a polar question?", which can be answered with "yes" or "no". Alternative questions such as "Is this a polar question, or an alternative question?" present a list of possibilities to choose from. Open questions such as "What kind of question is this?" allow many possible resolutions.
Questions are widely studied in linguistics and philosophy of language. In the subfield of pragmatics, questions are regarded as illocutionary acts which raise an issue to be resolved in discourse. In approaches to formal semantics such as alternative semantics or inquisitive semantics, questions are regarded as the denotations of interrogatives, and are typically identified as sets of the propositions which answer them.

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  1. Nabir14

    Can We Make PCB Using Paper And Pencil?

    I had a question in my mind about PCBs. Printed Circuit Board (PCB) is a non-conductive material with conductive lines printed or etched. Electronic components are mounted on the board and the traces connect the components together to form a working circuit or assembly. Now a Pencil has...
  2. gochaka

    Induced EMF in a rotating ring

    [Thread moved from the technical forums to the schoolwork forums] Let's suppose we have a ring with radias R and radius of the cross section r. We start rotating with an angular velosity w. We will there be an induced EMF in the ring and how can i find it's value?
  3. Hauzen

    I have a hydrodynamic loss head question

    Hi! I have a loss head question. There is a difficulty in understanding the hydrodynamic loss head concept. Assuming that there is a one-sided tube with incompressibility, visibility, tube friction coefficient and cross-sectional area A.. There is friction in the loss head formula, but is the...
  4. B

    Don't know about threads, I just want to ask a Q

    what is the problem ? if want ask a Q alkl i get is enter some thread
  5. P

    How should this Beam Loading experiment be designed?

    The question and my attempt at a solution are attached. Thanks.
  6. TheePhysicsStudent

    Why is the Bridge Crane Force 2820 N?

    The Q My "working" The answer is simply 2820 N
  7. dcmf

    Tension & Circular Motion Question - Looking for speed

    I have attached a screenshot of my rough work. First of all, is my interpretation of the question correct? Please see the diagram in purple. To me, this makes sense because a=v^2/r is the only equation from my coursework that seems to relates radius (which you can find from the length of the...
  8. M

    How Does Time Dilation Impact Physics Forum Discussions?

    Will post a question and view responses
  9. Florian Geyer

    A question about where shall I ask this type of questions

    Hello esteemed members, Recently I have been using this site for getting help, and I have found it very helpful, thanks to the helpful members who I may not be able to thank them fully. However, part of my method of studying is to do a self-contained study guide or summary or notes... to the...
  10. pruthvi

    B How Does a Massive Planet's Orbit Around the Sun Appear?

    consider a giant planet have a 3/4 mass of it sun and with the distance of 50AU from the sun. does the planet revolve around in a elliptical orbit because the mass of the planet is high so there barycenter is half the distance between them so it look like binary star system but the question is...
  11. lukegxhycj

    SUVAT equation question: When will the car collide with the lorry?

    s1=-u1^2/2a1 s2=-u2^2/2a2 s2>s1+d (If distance the car stops is bigger than the distance the lorry stops plus the initial distance then they will crash) (sub s1 and s2 in) -u2^2/2a2 > -u1^2/2a1+d Switch 2a2 with whole left side of equation. -u2^2/(-u1^2/2a1)+d > 2a2 Make the (d)a fraction by...
  12. DifferentialGalois

    Oscillator Differentials: What's a physical meaning of complex part of the solution for coordinate change of the anharmonic oscillator?

    I don't understand what the question means, and the answer is provided here: https://physics.stackexchange.com/a/35821/222321 Could someone provide a comprehensive one-by-one explanation.
  13. DifferentialGalois

    Falling hailstones hitting two car windscreens

    I tried to construct a diagram, but to no avail, since I don't really understand the qn. However, my professor provided me with this graphical depiction (that i obviously don't understand)
  14. D

    I [Question] Calculating the force generated by a tarp hung between two walls

    Hi. I have a problem I'm trying to solve. I have a tarp that is stretched horizontally across two walls. The walls are 5.5m apart and 50m long. There is a pressure of 10mBar above the tarp pushing it down, making it sag about 0.15m in the center. I'm trying to calculate the force with which the...
  15. MecEngPterois

    Help needed with a Statics Question: Load is supported by a Pulley and Cables

    What I did was split the problem into two seperate summations based on x & y coordinates: Tcos(25) - Tcos(55) - Px = 0 Tsin(25+Tsin(55) +Py - Q = 0, Where Q = 1860 I initially got an answer of 2391N, but it keeps marking me wrong for said answer. This is the free body diagram, (the previous...
  16. cutielollipop

    Coefficient of Friction question for a cart going down a wooden ramp

    (mentor note: moved from Classical Physics forum hence no template) Hello, I am having trouble with this question: Imagine in real life there was a coefficient of kinetic friction of 0.4 between the plastic wheels of the cart and the wooden ramp. If there is only friction on the flat part of...
  17. M

    What is the physics behind performing a wheelie on a motorcycle?

    I need to understand the mechanics involved in performing a wheelie. That includes analyzing the free-body diagram. And considering all the factors involved in performing this manoeuvre in motorbilkes.
  18. H

    Ingenious Algorithm Riddle: Imposs. Even w/Answer

    Hardly anyone would think of this solution. I even wonder how anyone would come up with the question. And it is even more amazing that the questioner and solver were not the same person.
  19. L

    What happens when bleach and nailpolish remover are mixed together?

    Mixing bleach(clear) and nailpolish remover(green) makes orange product at first but after a few minutes of stirring turns to a pale hello color. What is happening in this reaction (is it the bleach and acetone or also father ingredients in nailpolish remover) and did I just make chloroform...
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