Using Linear, Quadratic, Inverse, & Inverse Square Graphs to Understand Proportionality - IB Physics

[@mugeokur]

This is very useful. we all get students who come up with "if x increases, y increases" kind of predictions, which lack specificity. You have explained each case really well. Thank you

[@strvggle1174]

This video has solved my mind implosion i was having trying to understand my online class notes, cleared everything up very well for me thank you very much.

[@bradenmarc85]

In my experience, IB is VERY particular about the distinction between linear and proportional, proportional being limited to going through the origin. My students constantly mix them up, so I try to limit the use of the word "linear" to situations that require it - ones with non-zero intercepts. A common situation occurs for IAs where a student predicts a proportional relationship from theory, but gets a linear one. It's important that they realize the disagreement. Thanks for the excellent videos.

[@RINGTONESREALM]

Thanks sir for resolving my doubts on graphs in physics.. 😅 Love from India...

[@iqrajabbar5287]

Great sir❤ I will watch your more videos for my lecturer test

[@mananjain3739]

1:08 thank you sooo much!! This was exactly what I was looking for!

[@charlottetye-k1r]

thank you!! finally understand inverse square relationships now 😁

[@batmanishere1998]

Thank u sir... from India

[@mastfamastfa1256]

hello i have a question : let's say i have this Proportionality relation F~A when i want to convert it to equation i should add constant K so it will be F= K*A but how i find k ? ------------------------------------------------------- example The higher the car speed - the shorter the time to arrive so : V~1/t V=k/t now how i should find the constant K (or chose it) is it the accelration or the mass of the car or the speed of air.....etc ------------------- i searched online but nothing help's

[@AndyMasley]

Basically once you have a relationship you need to actually do an experiment to figure out the constant. As a simple example, if F = K*A and I found in an experiment that when A is 1 F is 5 and when A is 2 F is 10, I'd know that K = 5. To make sure the value is as close to the real value as possible we take a bunch of measurements and then linearize the graph to find the constant. I explain linearization here: kzbin.info/www/bejne/iZ2vYn-Gr5mrd5o

[@alkiviadiskaminaris1594]

you deserve more attention this is great!

[@AndyMasley]

Thanks so much! Viewers sharing the channel is always appreciated!

[@AmitSingh-sf5qp]

Very thankfull...

[@MUHAMMADFAROOQ-iz4ot]

What will happen in the fourth case if we take X variable on y axis and y on x axis

[@theovermind2149]

life saver video, thank you!

[@tanyakushwaha8883]

Very helpful...cleared my doubts very well :D thanks a lot😄😄

[@AndyMasley]

So happy to hear it was helpful!

[@daukho]

Great examples!!

[@gurjarriya9]

Thank you! This was very helpful.

[@EchoingLife]

Mass should be along x-axis in a graph for a better picture

[@ayansharma199]

great

[@ryanshrestha3039]

These really help thank you so much

[@aakashaadvik695]

Thankyou very much !

[@devidharshini9960]

Thank you so much

[@Naysnotokaylol]

Thank you

[@fungamer5134]

Thanks

[@manjirikhanolkar5825]

nope

[@AndyMasley]

sry