LEC-9 Lagrange equation from D’ Alembert’s Principle

[@Ashwani_T]

Sir you are amazing
I studied it several times from books and also by some teachers but couldn't understand it very well.
So i learnt equation but couldn't understand
But you explained each and every steps so clearly that I understood it completely.
You are amazing sir.
Thanks a lot for these videos sir 🙏🙏🙏🙏
Sir please make videos on Euler equation of force free motion.

[@SANJUPHYSICS]

Thanks dear for your appreciation

[@dddhhj8709]

I have been watching your videos for a few days now and i am quite satisfied with your detailed explainations .
Not many lecturers give emphasis on details .
Keep up the good work sir .

[@SANJUPHYSICS]

Thanks dear for your appreciation

[@gyanprakash6241]

Yes..... More videos on classical mechanics 🙂🙂

[@SANJUPHYSICS]

Okay dear

[@azhankhan9218]

Sir at 23:16 r is not a function of q dot and therefore it will be zero. Check in Goldstein he has taken r not to be a function of q dot. We will get the answer by applying product rule in differentiating the first term and making j=k.

[@muhmmadawais7769]

Thank you ❤

[@Mahashree-c6v]

sir thank you hame bolo hi mat ... ye to apka saral swabhav hey ke aap itne intelegent ho to bhi down to earth ho .... hamne hamare liye ye video dekha hey ... thank you to hame bolna chaye ke itan tough topic apne ekdam shanti se easy karke samjaya ... sir you are amazing.. I think physics ko pura pacha diya he apne...THANK YOU SIR

[@surajkumar-ok7dm]

Sir i just can explain how much u helped me
I am very thankful to you sir😊
Your videos are full of knowledge
And the patience with u teach and explain thw topics sir
Really you are the best teacher sir
Thanks a lot sir 😊😊

[@SANJUPHYSICS]

Thanks dear for your appreciation

[@Rehan-MastoiBaloch]

sir,aap k classical mechanics k lecture boht achay se deliver kiay gai hai...aap mathematical method aur solid state k lecture bhe dein taa k aanay walay students ka faida ho aur hamaray to EXAM aanay walay hain hum ab guzaara he chala rahay hain noteses ko ratta laga k....
aap k jaisay lecture aasaani se nahi miltayyy....Well concepts

[@SANJUPHYSICS]

Thanks dear Rehan Khan for your appreciation and positive attitude towards other students
Keep this attitude

[@johnboscovijayanand]

Lovely explanation. I'm attempting Msc Physics after 22 years of my B.Sc and had challenges in understanding. I'm a Tamil who understands only very little Hindi but your explanation proved that Physics is a universal language that any one can understand. Thanks so much Sir! You are just so fantastic!! Regards!

[@SANJUPHYSICS]

Thanks dear for your appreciation
Can you understand English

[@johnboscovijayanand]

@@SANJUPHYSICS yes sir, I do understand English. Thanks!

[@SANJUPHYSICS]

ua-cam.com/video/LuG9N6TARl0/v-deo.html

[@navinsingh2838]

You are one of a perfect teacher,i have ever seen 🙏🙏🙏🙏🙏🙏 thank you sir

[@SANJUPHYSICS]

Thanks dear Naveen for your appreciation and comment

[@pulakbasu8848]

Sir ,Your teaching is un parallel. It becomes very easy to understand the abstract part of classical mechanics. You are great Sir

[@naeemakhtar4239]

you make us understandable..physical and mathematical steps are smoothly explained...well done and thank you.

[@SANJUPHYSICS]

Thanks dear

[@sandipsarkar417]

Wow just wow. Pury u tube channel ma isy acha explanation hoyi nahy sakta. Great explanation sir .

[@SANJUPHYSICS]

Thanks dear for your appreciation and comment

[@discovernew8263]

These videos are helping me alote and sir your way of teaching is really very good every one like me who's concepts are not so much clear can easily understand the things.... Thank you for providing this much of great knowledge for fee not everyone think about others now a days.... I request you sir to continue making more videos on physics... And thanks for your value able time that you spent on camera for us.. I know that youTube can't pay you what you deserve but viewer pray is will be more profitable than youTube's money

[@SANJUPHYSICS]

Dear thanks for your comments it came from your 💓
You are right dear Viewer prayers can never be compared with revenue
AAP logo ki dua se badhkar kuchh nahi hai
But I must thanks to UA-cam for providing such a great platform

[@discovernew8263]

@@SANJUPHYSICS sir kya aap or bhi videos banane wale ho so it's a request from my side please bnanate rhea or ase hi students ki help krte rhne... Because muj lagta h education aap jse logo ki whja se or bhi ese ho skte h

[@a.stripathi9379]

Sir you are the best teacher..... Msc.p. ka student hu mujhe bahut help milti h apke videos se aap bahut achhe se samjhakr padate h bahut bahut thank u 🙏💕sir

[@SANJUPHYSICS]

Thanks dear for your appreciation

[@sadiqumer7339]

sir i am from pakistan. i appreciate you , so much that you can not think. b/c your teaching method is v v different from all other Proff... .you not derive only an equation but you explane completly with physical meaning and with example every and each term.so sir i am very very thankful of you for this lec... and for all other lec... vidoes.

[@SANJUPHYSICS]

Thanks dear Sadiq for your appreciation and long comment
Love from India

[@tahmidurjahan8204]

Sir iam very much thankful to you,your video is life saving.Teachers like you make us love Physics.Sir please upload more physics videos,all the best sir.
Turag from Bangladesh🇧🇩

[@SANJUPHYSICS]

Thanks dear for your appreciation
Send me your Syllabus at 9729446786

[@hiferolenz4671]

Sir no word for ur beauty of explaining the tough stuff.realy thankful.

[@SANJUPHYSICS]

Thanks dear Zakir

[@apurbamandal6535]

In 43:45 considering all q(subscript)k are independent how you have proved that their sum will be zero?
I haven't understand that portion. Please describe it elaborately.

[@manisha20sharma85]

Very well explained sir ...no words for you ...thnk u so much 🙏🙏

[@abhishekjain5565]

Well explained sir. Im in an NIT and you explained better than my Classical Mechanics Schedule. Thank you.

[@abdulghani5135]

Great lecture.......I never learned such kind of tough concept in detail.....your lecture helped me a lot.......great great work........I salute your work from PAKISTAN.....keep it up......I really need such kind of more lecture which elaborate the deep concept......love u sir..........

[@kishansharma3217]

this person is appreciable so as his absolutely dedicated work !
thankyou sir...

[@physicsmoja4495]

You are expart in teaching physics. Thank you so much

[@SANJUPHYSICS]

Welcome dear

[@Rahul.001]

Thank you sir. Such a detailed explanation on every topic. You are great sir.

[@SANJUPHYSICS]

Thanks dear for your appreciation Rahul

[@ancientworld2598]

Thankyou very much sir....... your way of teaching is amazing..... again thankyou very much 🥰🥰🥰🙏🙏🙏🙏

[@SANJUPHYSICS]

Thanks dear for your appreciation

[@Centraluniversity_]

बहुत बहुत धन्यवाद सर जी
चरण स्पर्श 🙏🙏

[@SANJUPHYSICS]

धन्यवाद और आशीर्वाद
देरी से जवाब देने के लिए सॉरी

[@Cosmosfacts26]

god level teaching sir❤❤ thankyou soo much

[@SANJUPHYSICS]

Thank you dear for your appreciation and comment and support to the channel

[@truptimore5502]

I am very very very thankful of you sir I saw Lagrange's eq of motion by many lecturers on UA-cam but I got fully each and every concept with the help of your video so I am very very thankful😇🇮🇳Jai Hind 🇮🇳

[@pintubairwa1277]

Excellent teaching sir
Salute sir 🙏🙏

[@AnmolSingh-ig3ji]

Thanks sir 💝, i am speechless.

[@Rtwbjb24]

Maza aa gaya sir ji...👌👌

[@SANJUPHYSICS]

Thanks dear

[@theorist_2]

Plese explain how you differentiate equation 2, sir at 24:00

[@kartikvarshney9257]

17:54 pr sir time ka differential partial ni h proper h aap partial ki property kese laga sakte h?

[@nayesha7493]

Thank you so much Sir.🙂🙏
Very nice explanation.👍

[@SANJUPHYSICS]

Thanks dear Shefali for your appreciation and comment
Sorry dear for delayed response

[@suniljoshi1443]

great sir.. 👏👏❤️❤️❤️

[@SANJUPHYSICS]

Thanks dear

[@user-mi9lj8nf7w]

Very helpful and detailed explanation thankyou so much

[@SANJUPHYSICS]

Welcome dear

[@AminAtoNiverse]

Sir, you are absolutely amazing.
Take love from Bangladesh ❤

[@SANJUPHYSICS]

Thanks dear

[@khalidjaved7298]

Absolutely a phantastic physics Sanju Bhai I am Khalid Javed from Pakistan
But Maza as rha ha

[@SANJUPHYSICS]

Thanks dear Khalid for your appreciation

[@newinnovation3340]

very good video and easily explained the such hard concept.

[@gopikrishnadharavath6628]

THANK YOU SIR .we want teachers like you in all subjects

[@kaushikgogoi3139]

Sir equation (ii) differentiation may be wrong too some extent .sir do clear it if mistaken. But concepts are amazing sir.. Thank u

[@SANJUPHYSICS]

I will verify it dear
Thanks for paying attention to the lecture

[@chandanpanigrahi3072]

Brothrr this is actually correct. Look carefully

[@theorist_2]

Plese explain how you differentiate equation 2, sir at 24:00

[@vianniblaze]

Where does the equation we use at 12:58 come from?

[@vianniblaze]

I mean the one we assume

[@muhammadyousufmalook8451]

deep knowledge ❤️thanks ❤️

[@rupampal3405]

Happy teachers' day sir 🙏 from Kolkata ..thank u very much for ur all efforts ❤️

[@rupaodedara2919]

Thank you so much sir for this wonderful lacture

[@vishalsarkar369]

Eqn3 ki differentiate karte wakt r ke age jo del he usme square kyo nhi dia ris

[@nirupamamondal9226]

Equ3 nehi equ2 hoga

[@himanshugairola6536]

Exactly

[@_SSC_ASPIRANT]

Thank you so much sir mujhe lg rha tha ki classical ka kya Hoga but phir Aapka video dekha to achha lga again thank you sir 🙏🙏

[@SANJUPHYSICS]

Welcome dear
Sorry dear for delayed responses
Thanks for your comments and appreciation

[@_SSC_ASPIRANT]

@@SANJUPHYSICS it's ok sir and thankyou ones again 🙏🙏

[@nandhum5859]

Thanks for the video sir. Helped lot in last night of exam

[@SANJUPHYSICS]

Welcome dear

[@Shimulnath96]

At last!
beautiful lecture sir!
beautiful concept too.
you are so awesome.. take ♥ from Bangladesh

[@rushikeshpabalkar6943]

Finally got correct explanation...

[@SANJUPHYSICS]

Thanks dear

[@fakhramalik2032]

Thank you sir
It is very complicated

[@SANJUPHYSICS]

Welcome dear

[@ajaysuryvanshi4181]

thank you, sir, I am now doing masters in aerospace engineering from IIT Chicago,
I am too much confused related to this equation but by your stunning effort this makes me easy to play with this equation
once again thank you.

[@SANJUPHYSICS]

Thanks dear Ajay for your appreciation and comment
My what’s app is 9729446786

[@amanpatel1896]

IIT Chennai ? Or Chicago ?

[@soumirakshit6961]

Sir plz plz asehi bsc ka topics cover karte rehe..I don't have tuition.sirf apke vedio sehi mujhe help milta hai.

[@SANJUPHYSICS]

Okay dear

[@sauravdebnath6980]

Sir what is the difference between Euler Lagrange equation and Lagrange equation of motion.R they both same

[@SANJUPHYSICS]

Same dear

[@sauravdebnath6980]

@@SANJUPHYSICS tq sir

[@abubakarsalim441]

sir great explaination..

[@SANJUPHYSICS]

Thanks dear

[@mr.curious6433]

Great VDO gurujiiii

[@SANJUPHYSICS]

Thanks dear for your appreciation

[@vinay_GOAL]

Thank you, made a concept clear

[@SANJUPHYSICS]

Welcome dear

[@sameeravijayan7499]

Sir. No words to say💓

[@SANJUPHYSICS]

Thanks dear Sameera

[@anasfarid2492]

Watched again... Sir ji
It's been epic

[@vishalnarwal3297]

Thank you sir ❤

[@SANJUPHYSICS]

Welcome dear

[@kunalsingh1944]

20:22 Sir equation 2 ke RHS Mai bhi dri/dt hai yaani woh bhi instantaneous velocity vi hui na.....?

[@emranhasan7480]

You are incredible

[@SANJUPHYSICS]

Thanks dear

[@MATHEMATICSGN]

waooooo lectures sir
superbbbbbbbbb

[@moneymockOfficial]

Amazing video sir

[@SANJUPHYSICS]

Thanks dear

[@khalidjaved7298]

May you live long

[@SANJUPHYSICS]

🙏🙏🙏🙏

[@vijayoli1334]

Thanks sir I'm from nepal
Good lecture 😍😍😍😍😍

[@SANJUPHYSICS]

Thanks dear for your comments

[@anuradharajpurohit3882]

Thanku sir for this video

[@SANJUPHYSICS]

Welcome dear

[@neharikasubudhi1878]

Sir I just can explain how much u helped me,thanks sir

[@sukhdeoprasad5803]

thanks sir, your lecture are amazing

[@SANJUPHYSICS]

Thanks dear

[@aroma3113]

sir Mene exam de diya
accha hua mera exam ,,, 13 or 15 ka tha ,,, thanks alot ,,,

[@SANJUPHYSICS]

Welcome dear it’s your hard work so you attempt your paper well
Regards Sanju Physics

[@sharukhan1864]

I was waiting for this video....respecte u sir ..

[@SANJUPHYSICS]

Thanks dear

[@namratabhargava3052]

Thanks to you sir .ap Ni hote to mujhe ye jo v smjh Aya ..bilkul Ni ata. Thank you very much

[@SANJUPHYSICS]

Thanks dear for your appreciation

[@skstylish7172]

sir can you tell me the name of book you are
teaching from

[@SANJUPHYSICS]

H Goldstein

[@rohitpathak4867]

Wahhh sir wahhh 🙏🙏🙏

[@SANJUPHYSICS]

Thanks dear

[@aurosishmatruprasadrout419]

awesome lecture sir

[@SANJUPHYSICS]

Thanks dear

[@imaginationworldacademy4272]

Q1 derive Lagrangian equation of motion for particle under the action of conservative forces. Will you have solved this question . Sir plz

[@SANJUPHYSICS]

Okay dear

[@vivekpandey1818]

If u feel physics Is boaring u might have not to Sanju sir ..with all due respect thanku sir ❤️

[@SANJUPHYSICS]

Thanks dear for your appreciation, comment and support to the channel. Sorry dear for replying after a long time gap.

[@gangaacademy5918]

Sir please make video gyroscopic forces,dissipative system jacobi integral

[@SANJUPHYSICS]

Sorry dear not possible this time

[@moirangthembikramjit3304]

Sir which book to refer for classical mechanic

[@SANJUPHYSICS]

Rana and joag

[@physicsbyheart6103]

ThanQqqq god bless u

[@SANJUPHYSICS]

Thanks dear

[@sk-kq6bt]

no words for u,,,thnks alot sir g,,am from pakistan

[@SANJUPHYSICS]

Thanks dear for your appreciation

[@AjayKumar-hx2sw]

excellent sir

[@SANJUPHYSICS]

Thanks dear

[@aniruddhabujarbaruah8613]

Sir,again thank u fr mking this video.sir pl make a video of small oscillation in classical mechanics...plz

[@vbcambajogai]

Sir Did you complete the uploading of Intermediate Lectures on CM ?

[@SANJUPHYSICS]

No dear still some topics are there

[@vbcambajogai]

@@SANJUPHYSICS ok sir

[@aadidj]

Superb teacher ....

[@SANJUPHYSICS]

It's my pleasure

[@physicsbyheart6103]

You are greattt ufff i cnt explain

[@SANJUPHYSICS]

Dear I am just a student of PHYSICS

[@physicsbyheart6103]

@@SANJUPHYSICS student????

[@physicsbyheart6103]

Are u not a teacher???

[@vlogswithdeba360]

Beautiful

[@SANJUPHYSICS]

Thanks dear

[@zafarullahzafarullah8929]

Dear sir plzzz upload videos about electromagnetic theory

[@SANJUPHYSICS]

Okay dear very soon

[@hooriaali4676]

sir is topic ma sy kitny r kis trha sy question a skty h plzzz bta dy 1 dafa

[@SANJUPHYSICS]

Dear ye complete topic hi aata hai
Long answer

[@gyanprakash6241]

Aap kaha rahte ho Sir?

[@ankurclasses7159]

Haryana

[@naveenyadav6758]

thnku sir a lot for amazing vedios ..

[@SANJUPHYSICS]

Welcome dear

[@kunalsingh1944]

Sir holonomic system matlab kya hota hai

[@shivanimeharwa8334]

Sir Hamilton principle deduction from D almbert principle pr bhi ek video bna dijiye..

[@SANJUPHYSICS]

Okay dear

[@shivanimeharwa8334]

@@SANJUPHYSICS sir plz ye topic b upload kr dijiye..

[@SonuYadav-rn7gv]

Sir ye d' almbert prinicpal or virtual work and displacement i.g.u. k syllabus me h ,nhi h na sir to fr generalized potential and force pr alag video bna do plz....

[@SANJUPHYSICS]

This is not in I G U syllabus

[@peerzadirasiya8297]

Sir really u r so great

[@SANJUPHYSICS]

Thanks dear

[@kumarsaroj323]

Thanks sr

[@SANJUPHYSICS]

Welcome dear

[@AnandSingh-sn4vp]

Just want to say thankyou

[@SANJUPHYSICS]

Welcome dear

[@sumanmandal6344]

yes... yes... yes.. i got it. thank s

[@SANJUPHYSICS]

Thanks dear

[@sonumeena2300]

Thanks you very much sir

[@SANJUPHYSICS]

Welcome dear

[@Mk-nb4wc]

Thank u sir
plz upload a lecture on " velocity dependent forces and desipation function"