Center of Mass | Complete REVISION for JEE Physics | Mohit Sir (IITKGP)

[@mohitgoenka99]

👉 COM PDF Notes - bit.ly/3K8inhB ✅ How to take ELEMENTS - kzbin.info/www/bejne/gGHQh2mhh56oiNE 👉 EDUNITI_Goldmine Link - bit.ly/2VhOGFF *Revision Video Links* Unit & Dimensions kzbin.info/www/bejne/rZXHXqqij6tnfs0 Vernier Caliper kzbin.info/www/bejne/pofSf2NqasmJbqs Screw Gauge kzbin.info/www/bejne/nYrHY4Oqor9jo9k Kinematics_Motion in 1d kzbin.info/www/bejne/i2Wxf6t8lqufn6c Kinematics_Motion in 2d kzbin.info/www/bejne/apC9oGiNnbKZbdk Laws of Motion kzbin.info/www/bejne/bXvPg2udg7eEf9U Friction kzbin.info/www/bejne/iJ-Uk3-pqZyYfc0 Work Energy Power kzbin.info/www/bejne/oZvViaJ7YtB3f5o Circular Motion kzbin.info/www/bejne/gZ-pqqCBfdGeipI Centre of Mass kzbin.info/www/bejne/l5XWZGiIgKlpZ5o Cons of Momentum & Collision kzbin.info/www/bejne/aZeTpmeCYtGsr9k Rotational Motion_Part 1 kzbin.info/www/bejne/hWfNYqCCpZVpjqs Rotational Motion_Part 2 kzbin.info/www/bejne/hXnRmmR6h8mZd7M Rotational Motion_Part 3 kzbin.info/www/bejne/p6bKeqScjrd2qM0 Gravitation kzbin.info/www/bejne/qHLNY5urgbuUe80 Properties of Solids kzbin.info/www/bejne/nYS7qZ2hbZ6flcU Fluids Statics (Part 1) kzbin.info/www/bejne/iHeuqWx4bt6iaa8 Fluid Dynamics (Part 2) kzbin.info/www/bejne/j2iUaKmHpbp4gLM Fluid Properties (Part 3) kzbin.info/www/bejne/jGnbhoqNgJeiipI Simple Harmonic Motion kzbin.info/www/bejne/iHrFaKKcg6xjb6s Thermal Properties kzbin.info/www/bejne/hYrNm6yGft-Xmqc Heat Transfer kzbin.info/www/bejne/hqqxk6J-nNmMsK8 KTG kzbin.info/www/bejne/joCUpal8na6UZqs Thermodynamics kzbin.info/www/bejne/n6vCnJlnn7d3iNk Wave Motion -Organ Pipes and Resonance Tube kzbin.info/www/bejne/nHOaoZmAbJytl5o Wave Motion - Doppler's Effect kzbin.info/www/bejne/b16lqYKXltKhrck Electrostatics kzbin.info/www/bejne/aaTXiZV9h7KWqM0 Capacitors kzbin.info/www/bejne/e4mompyZoLOIobs Current Electricity kzbin.info/www/bejne/nZ6bd4icn9eLZ5o Moving Charges and Magnetic Effect of Current kzbin.info/www/bejne/i32nY4KhZqh6gM0 Earth's Magnetism kzbin.info/www/bejne/l2WmhWiri9x0gZY Magnetic Properties kzbin.info/www/bejne/bGTGqJePjbOfj6c EMI kzbin.info/www/bejne/pqa5kqmjlKx5iK8 Alternating Current kzbin.info/www/bejne/bWXHhYxjpd-AldE Ray Optics kzbin.info/www/bejne/eJnRqoeNr66feKM Wave Optics Part 1_Interference kzbin.info/www/bejne/gniYn597bb2Hm6s Wave Optics Part 2_Diffraction_Polarization kzbin.info/www/bejne/r56wqqyAfKykpLs Optical Instruments kzbin.info/www/bejne/hYLWpJV6fZV0aqs Electromagnetic Waves kzbin.info/www/bejne/mJS5iZp7oN6EkLs Semiconductors_Basics + Zener Diode kzbin.info/www/bejne/lXKVe6Kjhpxga5I Semiconductors_Transistors kzbin.info/www/bejne/pqSnqJ9uabOtmJI Semiconductors_Logic Gates kzbin.info/www/bejne/povHgnSwgcd5itE Communication Systems kzbin.info/www/bejne/bn_KfqSBbr1qb7s Modern Physics_Part 1_Atomic Physics kzbin.info/www/bejne/b4euhqF7aNKjfs0 Modern Physics_Part 2_Photoelectric Effect kzbin.info/www/bejne/aGXShYSmbZmdqM0 Modern Physics_Part 3_Dual Nature of Light kzbin.info/www/bejne/ZqvSg5KplrJ0h7s Modern Physics_Part 4_Radioactivity kzbin.info/www/bejne/d5W7ZIx4nbaspck Modern Physics_Part 5_Nuclear Physics kzbin.info/www/bejne/jHW6oomXnaycrsU Modern Physics_Part 6_X Rays kzbin.info/www/bejne/moSriZewjZyBjpI

[@-a-1787]

sir mere coaching ka material bhi hai mere pass kya mein uski jee mains level ki exercise karun revision ke liye ya nahi (40-50) ques hai per chapter maine abhi tk nahi kiya hai aur mere kafi sare chapters ke (2019 2020 2021) ke pyq ho gaye hain pls reply 🙏🙏

[@mohitgoenka99]

@@-a-1787 If you have most of 2021-2019 PYQs then you can do your material's JEE Level questions

[@-a-1787]

@@mohitgoenka99 thank you sir

[@-r-9341]

Sir mere jo pyq questions nhi solve hue unke liye kya karna hai taki mere vo bhi sove ho jaye Pls bata dejiye 🙏🙏

[@alison-pv4fk]

Sir please provide Com and work energy power printed notes Please

[@anamikapandey646]

Timestamp 00:00 Introduction 00:19 Topics to be discussed 01:11 All links for Revision series 01:41 Understanding of COM 03:20 COM of Multiparticle System 04:25 COM of 2-Particel System 06:50 COM of Continuous Mass Distribution 09:00 COM of Standard Bodies (Constant Mass Density) 10:28 COM of Body (Variable Mass Density) 13:26 COM of Combined Structure 15:42 COM in Cavity Problems (2 Methods) 20:28 Displacement of COM 21:55 Velocity & Acceleration of COM

[@divyapratapsingh5240]

Sir please hire one chemistry and math teacher for this channel. Who can make us revise like this and if it will be done then this would be first channel having such a revision series for all the three subject.Even not three only one teacher for physical and organic chemistry would be enough 🙏🙏

[@RhythmHaven-100x]

Yes sir plz sir

[@RhythmHaven-100x]

For maths plz sir

[@channelforkids9345]

@@RhythmHaven-100x triggered insaaan 😍😍😍, big fan of you bro , you didn't give JEE till now ?

[@rono_5_dors]

@@channelforkids9345 pagal ho kya vo tume triggered kaha se lg rha hai fan page likha hai aur subscriber dekho bilkul dumb ho kya

[@channelforkids9345]

@@rono_5_dors I was just joking bro 😂😂😅😅😅😅 (sarcasm)

[@suritdutta7959]

Out of so many physics one shots, mohit sir's one shots are very much pyqs oriented, when I started solving pyqs I mapped with his notes and almost 95% were same , thank you so much for delivering such high quality content to us sir.

[@mohitgoenka99]

thanx dear and thanx for sharing your experience with all of us.

[@wdivyankop]

bhai pyqs ke direct concepts hi sir revise krate hain,,, to pyq to same hi lgenge naa

[@aadityaraj6717]

just amazing it is my first revision class here gonna follow from now......never seen on any channel that whole chapter is completed within 29 min with that much of clarity....

[@DefinitelyPrateek]

9:48Theta in Radians Hai Jaroori 14:11 Revise this variety Combination of COM 15:54 Cavity Problems 26:17 Vectors ka dhyan dena hai

[@Bhatianshi]

Thanks Bhai

[@shivamvarshney6892]

Sir the way you teach physics is amazing the practise sessions and rank booster problem sessions are amazing

[@mohitgoenka99]

Glad to hear that

[@studywithsam9954]

hahahah sir pic on ur dp nice

[@RahulSingh-rn9mm]

Sir ye jo aap hamare liye kr rahe hain . Really very helpful sir . Thank you sir . Charan sparsh🙏🙏🙏🙏

[@extremeplayer6760]

I haven't studied this chapter and after seeing this lecture of 25 min , the concept is crystal clear. One of the bestest physics teacher.

[@mohitgoenka99]

excellent dear

[@nakshtraruhela7263]

@@mohitgoenka99 you are best sir ! SIMPLY THE BEST!!!!

[@nakshtraruhela7263]

@@mohitgoenka99 sir we want a chemistry teacher also

[@sarthakgupta340]

Good for revising all concepts and formula 😃😃

[@PallaviVerma-w8x]

Sir 1st ques me Ans r1=5/2 ana chahiye syad Kyuki r to m1 and m2 ke beech ka distance h na Aapne 5 kaise liya h, 5+r1 hona chahiye?❓

[@debojyotiaich8589]

Sir I am 11th standerd student when i started my physics in 11 I have lot of Problem with physics but when I see your channel I felt that "bhai ye khajana ab tak kaha tha" and now my mock test result is average 70-80

[@mohitgoenka99]

Excellent dear

[@shashanksharma823]

Konse college me ho abhi ???

[@REDLEGEND2008]

Bro ab JEE lag Gaya?

[@kavyasharma1761]

Sir 2 balls waale question me end wala. How can ball B have. -g if it is moving in the same direction of gravity

[@aspirant_IIT-KGP]

Note for my future reference : DONT YOU DARE FORGET THE FORMULAE! exam ke time panic karogi derivation ni ho payega r com = Sigma mi ri/ Sigma mi ( can work for ∆ displacements as well) Here, for continuous distributions: Integration r dm/ integration dm You can differentiate too to get v com , a com V v imp point In integration x dm/ M here x is COM of dx !!! Don't forget it!!!!!! it's not distance of dm from reference! ok that's it!✨😁

[@walter_white69420]

Thank you🙏

[@BHARAT_3433]

thank you 🙏🙏

[@dipalibaul9120]

Kam aaya?

[@SahajOp]

x is x corrdinate of com of dm

[@AyushGupta-lw5bm]

​@@dipalibaul9120ofc nhi aaya hoga usse

[@rockyrajput886]

Sir com of semi disc ka 4r/3π pe hota h apne 13.23 pe semi ring ka le rahka doubt ?????

[@Ur_Saviour]

Are bro jo hmne element lia h vo to ring he h uska com to 2r/pi hoga

[@keyasingh15]

After watching these videos even 1 shots seems too long 😂

[@maharshart1089]

Kitna rank aaye batado

[@akshitstudent8973]

Shi mai or uske baad 15-20 pyq karlo ise hi topics ke then done

[@SIGMA_EDITZ_YT_9629]

@@akshitstudent8973 bhai COM hai syllabus ma kya

[@Nitu-s7e]

​@@SIGMA_EDITZ_YT_9629 abe...

[@AsPi_rANTER]

@@akshitstudent8973 indeed😊😊

[@SIMON_RILEY_141skullface]

20:20 sir in these types of questions we can also take the center of mass of combined shape to be zero, (origin) and then the we can applie the normal formula for center of mass and get -R/6.

[@mohitgoenka99]

sure dear

[@MadLad44]

revision pointers 1)arc of a ring=R sin theta knot/theta knot(where theta knot is half the angle subtended by the arc) 2)sector of a disc=2R/3 sin theta knot/theta knot 3)reduced mass systems ka com, 2 methods, negative mass method, and m1 m2 resultant is og, method 4)net linear momentum=linear momentum of com -if net force=0, linear momentum is constant

[@mohitgoenka99]

well done dear #learnlikeneverbefore

[@pratikb8131]

Finally completed! Thank you so much, sir we are grateful for this revision session.

[@mohitgoenka99]

Welcome dear

[@harshithpatnaik8876]

Thank you so much sir🙏. Your contribution in our preperation is just tremendous. Thanks a lot sir❤

[@mohitgoenka99]

It's my pleasure

[@ItsAbhii7]

Non uniform mass distribution. Take elemental strip . y= com of that strip 15:13 point to be noted 15:50 cavity 24:35

[@amcreationmusic]

Thank you sir 🙏🏻🙏🏻❣️waiting for collision

[@mohitgoenka99]

welcome dear next wahi hoga

[@mirdameer1362]

Com of standard bodies , com of variable mass , combined mass

[@imsalonipatel]

Such a great content!!!🥰🎉

[@mohitgoenka99]

very good dear keep learning and solving

[@Yashyadav-12.3]

Sir me apka top 1000 vale que krna start kiya tha 10dec se lekin kuch problem se challenge 1 bhi nhi hua ab aj se fir start kiya hu pdhna mera syllbus done h... Aur 90% pyq kra tha(5 year)60 mrks hi ate the mock me (in physics)lekin ab time km h mujhe 90 tk inc krna h physics me but top 1000 vale que kese kru kya aj se kru to ho jayga plz guide kr dijiye sir kya kru...mujhe bhut dr lag rha h mera last year h dropper hu ye saal nhi brbad krna mujhe 😔😔😔🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻

[@msinghacademyblogs6537]

Again a awesome and fantastic session♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️ Thanks a lot for providing this🙏🙏

[@mohitgoenka99]

Thank you so much 🤗

[@prafuljain2046]

Sir ek phd video moment of inertia pr banado plz🙏🙏🙏🙏

[@hitengoyal2714]

Sir aapka revision krane ka tareeka bhot hi badiya hai choti si video me pura ka pura chapter revise ho jaata hai

[@Kar_One]

Sir i haven't studied this chapter in school. IM Jee 2023 aspirant SHOULD I WATCH THIS LECTURE OF JUST 29MIN OR GO FOR A COMPLETE LECTURE. (I don't know basic of this chapter)

[@dharampal10486]

Bhai same doubt what should I do?

[@doomed2808]

@@dharampal10486 bhai mere paas ek solution h nahi pata

[@anonymous_0227]

Sir mene 12th diya hai iss saal per mere marks bhi bohot kam aaye boards m , kya m iit crack kar sakti hu 2023 m? Bohot disappointment feel ho rhi hai, covid k wajha se padhai thik se hui hi nhi..

[@sanjaypatel8203]

13:16 Sir in the question of non uniform mass distribution the given shape is semicircular disc so in integration we have to take the com of y as4R/3pie,but you have taken 2R/pie why??

[@shivammanav3936]

Bhai semi circular disk ko banane k lia element toh semi circular ring lenga na or ring ko com 2r/pie hota hai

[@sujatbanerjee91]

Thank you so much sir for the session. I've several problems in this chapter and finally I overcame all of them.

[@mohitgoenka99]

Excellent

[@rahulbanerjee2037]

Sir 6 number com of body (non uniform mass distribution) example mai to semicircular disc diya Hua hai .too dm mass com 4R/3pi hoga na .sir please Bata degiya.

[@mdkaifnezami357]

Sir love you sir from Core of my heart ❤️❤️❤️....

[@akashchaudhari6899]

Beautiful lecture sir absolutely loved it!!!👌😇

[@mohitgoenka99]

Glad to hear that

[@guptaprasadadhikari1206]

Sir last question mein particles close jarehein par then COM unke biich me rehna chahiye tha par aisa kyoun nahi hua ye 90m ke upar aya?

[@_sG47]

Voh 90m ke upr nahi aaya.... Vo ground se height aaya hai COM ka.

[@pruthiraajpanda]

Sir is there any topic in EMI of power deliver by magnatic and external force in motional Emf in jee main syllabus . Please tell me about it sir .🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻

[@mohitgoenka99]

no dear. those are adv level questions

[@pruthiraajpanda]

Thank you sir for your kind information

[@Kai2.0B]

Thank You So Much Dear❤❤❤❤❤

[@Ray-is3sd]

Sir 😭 surely after all this whenever I will achieve my goals … I will remember ur name forever ( my concepts of COM was weak and after this I know right what to do !)

[@mohitgoenka99]

thanx dear. Wish you the best

[@rishukatiyar1431]

bhai to ro kyu raha hai? kya yeah khushi ke asu hai? 🤣🤣🤣🤣🤣🤣

[@Ray-is3sd]

@@rishukatiyar1431 🥹

[@wdivyankop]

sir aapke concepts to bhot sharp hain❤❤

[@mohitgoenka99]

@@wdivyankop keep learning

[@wdivyankop]

@@mohitgoenka99 dil from eduniti ......opOp

[@rituraj7705]

Cavity problem method no.2 was really good 🎉

[@mohitgoenka99]

Keep learning

[@Gudiyamishra93349]

18:44 com of cavity displacement of centre of mass 21:47

[@parvinderkethavath8428]

Sir Ub ka acceleration due to gravity. +ve hona chahiye na

[@dolabanerjee6269]

Thank u so much sir for this amazing session🥰🥰

[@mohitgoenka99]

Most welcome dear

[@subhamaverick8710]

Love you 3000 Sensei ! Revision has become more fun.. thanks to you ..🌟🌟

[@mohitgoenka99]

Glad you enjoy it!

[@Arupmodak7868]

Acceleration of b should be +ve

[@Ytshorts_edit0]

Sir ke ye notes bilkul allen ka dropper notes and lecture se match kar raha hai best content on KZbin for revision with 0👍

[@GamingFreak-xf7kn]

U owe a lot from all of us sir!!! Thank u for this valueable content. U r the only 1 who understands my pov and requirements and then explain!!!!! Thank u so much sir♥️

[@mohitgoenka99]

It's my pleasure

[@GamingFreak-xf7kn]

@@mohitgoenka99 sir plz don't mind asking this, but plz start making videos on math as the contents on physics are over, I'm really struggling in math and the way u teach boosts up my confidence, just like it did toy physics,,,,, so it's my humble request plz make videos on math🙏🙏🙏🙏

[@josuke21]

@@GamingFreak-xf7knsir teaches physics only . By math you mean basic differentiation and integration ?

[@GamingFreak-xf7kn]

@@josuke21 I meant in general for overall topics

[@josuke21]

@@GamingFreak-xf7kn but sir teaches physics not math :/

[@PrathamYadav-n7f]

Greatest teacher 😊

[@mohitgoenka99]

Appreciate it, keep learning!

[@PrathamYadav-n7f]

Sir I follow your revision series Then I make shortnotes from your video Then I solve jee 6 years pyqs from marks app Is this sequence is good

[@KumarGaurav-zm3rn]

Last question me kahi mention nhi Kiya gya ground ke respect me Height ye kaise krenge phir?

[@TheAditya-zt9pb]

Thank you sir for this lecture ,This was indeed helpful for me for detail understanding of the concept more precisely

[@mohitgoenka99]

Most welcome dear

[@YashpalSingh-by9to]

Sir timing 5:43 given m1r1=m2r2 so r1=m2r2/m1

[@-r-9341]

Sir mere jo pyq questions nhi solve hue unke liye kya karna hai taki mere vo bhi sove ho jaye Pls bata dejiye 🙏🙏

[@mohitgoenka99]

If you couldn't solve a PYQ for the 1st time then mark it and revise it 2-3 time before the exam.

[@ananyagupta9705]

helpful content for all jee aspirants :)))))))))))

[@Anshusahu1]

Com revision done ✅ thank you sir ji 🙏🏻

[@mohitgoenka99]

well done on completing it keep learning and solving

[@Nethrananda1969]

Thank you sir for this wonderful lecture this used to be my weakest topic but after seeing this video my doubt have been solved.

[@tarun9851]

These revision videos are fantastic. Really some concepts slip through the mind after completion of the chapter 😅 but your explanations are easy to understand. Thanks Sir

[@yashi9021]

Sir it might be a silly doubt but at 12:55 aapne y = 2r/pie kyu liya Disc ke liye to 4r/3pie hota haina Ya fir aapne jo element assume kiya vo maybe ring ki tarah hai to aapne aisa kiya But sir hm disc me element ko ring ki tarah to maan bhi nhi skte Plzzzzzzz reply sir🙏🙏🙏🙏 #learnlikeneverbefore

[@chetanpai2086]

The object might be a disc but here we are taking elementary mass as a ring since disc is nothing but rings of increasing radius , so y ill be com of ring

[@NamanSingh-vm2rp]

Sir collision in projectile motion pe ek video bna dijiye

[@ANSH_44883]

Sir just one doubt mera 90 percent syllabus complete ho chuka(in phy) hai lekin ray optics and rotation reh gya hai toh mai in dono mei se koi ek chapter karlu mera 1 ko paper hai ap bata do konsa chapter karu 🤓

[@anirudhkailash]

For jee - rotation karo For bitsat - do both 😂

[@aanchalshukla7022]

Hello mohit sir , i have a doubt in chapter WEP, sir in work energy theorem when we take work done by external force then that external force will be considered as conservative or non-conservative??how can we decide??like in case of spring Wext= Wsp. Will that ext. Force be considered as conservative?

[@mohitgoenka99]

Work Energy Theorem: Work done by all forces = Change in KE Here Work done by all forces will be Work (Cons force) + Work (non-cons force) + Work (external Person, Tension, Normal) Cons Force = mg, electrostatics force, spring force Non-Cons force = Friction

[@aanchalshukla7022]

@@mohitgoenka99 okk sir !! Got it..thankyou so much👍🙏 but sir will the work done by external agent always change the total energy of the system??🤔

[@mohitgoenka99]

@@aanchalshukla7022 if there is only conservative forces in the system and no friction and no external person, then total energy remains constant

[@aanchalshukla7022]

@@mohitgoenka99 Okkay sir thanks a lot you are the best!!🤗🌸🌟

[@meenakshishukla8984]

Thnku soo much sir for these amzng vdos sir plz collision ka one shot revision bnadjiye

[@mohitgoenka99]

next dear collision hi hoga. Covering Cons of Momentum, Impulse, Head on Collision and Oblique collision

[@kartikeygupta4075]

THANKYOU very much SIR JI ,,,,love you 🙏🏼🙏🏼❤️❤️❤️

[@sayan6839]

Sir iye vdo k baad mai hcv iya fir cengage padh kr question solve kr skta hu ?..

[@mohitgoenka99]

yes dear

[@sayan6839]

@@mohitgoenka99 thnx sir love u❤

[@bhumiyadav4343]

Sir I am confused @12:01 you have written y=2r/π but this formula is valid for ring na and for disc it should be 4r/3π

[@pukooooo1968]

The element is a ring

[@aryan_sk]

This video script covers the importance of understanding the center of mass in physics problem-solving, including the significance of density, velocity, and spatial concepts. It also explains the mathematical formulas and problem-solving techniques related to the center of mass, as well as its application in design and modeling challenges. Understanding the Center of Mass and its Mathematical Formulas Introduction to the importance of the Center of Mass Explaining the concept of balancing a body at the Center of Mass Understanding the mathematical formulas for the Center of Mass Understanding Particle Position Vectors and Center of Mass sm1 X1 particle represents Amazon's extra oil and helps in speed solving. Understanding the concept of center of mass and its importance in physics problem-solving. Exploring the integration of particle position vectors and the center of mass in physics calculations. Understanding the Concept of Semi-Circular Dress and Body Distribution Explanation of the semi-circular running and solid dress concept Importance of understanding body distribution and center of mass Significance of density and center of mass in semi-circular rings Understanding Spatial Concepts in Design and Modeling Exploring the concept of spatial density and its application in design. Understanding the significance of center of mass and its role in modeling. Applying spatial concepts to solve design and modeling challenges. Understanding the Concept of Center of Mass in Physics Opposition is not just about opposition, but also about nourishment. Understanding the combination of two systems - positive and negative mass. Exploring the concept of center of mass and its application in problem-solving. Understanding the Center of Mass and Problem-Solving Methods The method of understanding the center of mass and problem-solving techniques Using the center of mass formula for problem-solving The concept of linear momentum conservation and its application Understanding the Concept of Central Mass and Velocity Central mass and velocity are crucial in solving questions related to large bodies and particles. Understanding the concept of central mass and velocity helps in solving complex physics problems.

[@suparibhai3287]

theek he bhai

[@munirkhan3199]

Sir plz make phd video on centre of mass frame plz sir 🙏🙏🙏🙏

[@anilpandey581]

Sir collision part especially sir recoil velocity and oblique collision .Thanks sir 🙏🙏🙏🙏

[@mohitgoenka99]

Very soon

[@keshavchauhan8138]

Yes sir iski bahut need hai... collision se bahut dar lgta hai.....🙏🙏

[@ffgamingofficial07]

7.COM of combined structure ka jo example hain usme R,4R/3pie kaise hua Sir please samjha dijiye

[@jev_]

At 13:04 , The questions say Semicircular Disc But you Used the formula of Semicircular Ring for COM ?????

[@jev_]

Plz reply

[@jev_]

i get it becoz we took element and the volume of that element is just a strip so it is like a ring so the fornula is of Semicircular Ring , i Got confused my God i realized it now, you know i just spammed my comment like 10 times to get answers LOL😂😂😂😂

[@mohitgoenka99]

yes

[@sakshi656-q1k]

Best part about his videos is that these not just include formulas but also the important results that helps in speed solving

[@mohitgoenka99]

well done for completing it keep learning and solving

[@racing_game.]

Sir you are one of the best teacher of physics ✌👍

[@mohitgoenka99]

Thanks a lot 😊

[@ypavangowda3889]

Sir please do rotaion and waves revision

[@Differentwarrior]

Love you sir❤❤❤❤❤ very easy explain i follow 45 day planner

[@mohitgoenka99]

Keep it up keep solving & learning #learnlikeneverbefore

[@aniketgarg355]

Amazing sir You are amazing

[@mohitgoenka99]

keep learning and solving

[@justcode......2254]

I doesn't find a content good for jee of com but finally got it from you ❤️❤️

[@mohitgoenka99]

make best out of it.

[@justcode......2254]

Thanx sir for providing an excellent content in minimum possible time ❤️

[@tanmaymodi3066]

sir at 12:15 com of semicircular disc is 4R/3PIE , it isnt a semicircular ring and hence ans is r/pie

[@mathematicalray]

Hats Off to u bhai , Ekdum kadak 🤩🤩🤩❤

[@mohitgoenka99]

thanx dear

[@Kahaniya-Kabir-Ki]

doubt at 12 55 sir why we have taken com of ring in question disc is given

[@harshitverma.2522]

Kyuki element jo liya hai wo ring hai... Phir use integrate kar dene max R tak zero se... Toh disc ka nikal jayega

[@Hydrophobic12]

pR sir ko element x distance pe lena chaiye na.. kyunki r to already radius hai 13:18 ​@@harshitverma.2522

[@ygxyzgamerz4483]

Point 10 solved all each every doubt completely

[@umrahkhatoon8669]

Thank you sir 🙏 & Happy Holi

[@ayushmanbaruah5832]

A mere thank you is not enough for you sir!🙏

[@Jambibharath]

00:00 Introduction 00:19 Topics to be discussed 01:11 All links for Revision series 01:41 Understanding of COM 03:20 COM of Multiparticle System 04:25 COM of 2-Particel System 06:50 COM of Continuous Mass Distribution 09:00 COM of Standard Bodies (Constant Mass Density) 10:28 COM of Body (Variable Mass Density) 13:26 COM of Combined Structure 15:42 COM in Cavity Problems (2 Methods) 20:28 Displacement of COM 21:55 Velocity & Acceleration of COM (example) 27:48 PYQs Links

[@mrabhishekkumar328]

Sir ,please 🙏🙏 maths and chemistry ,

[@freesummaryofbooks]

ONE OF THE BEST REVISION SERIES FOR NEET ASPIRANT

[@AdirPumpkin69]

in last question , how is it possible that the maximum height of com is more than the initial distance between the masses . according to answer the com lies outside the upper mass rather than between the masses

[@piyushhh343]

@13:23 done sir 🙏 🙌

[@siddardhroasts]

completed the revision

[@mohitgoenka99]

well done on completing it keep learning and solving

[@Shourya_ase]

It's been a long time i have been learning from this channel i can't tell by words that how much my concepts are improved love you so much sir❤

[@mohitgoenka99]

Great to hear!

[@shree1714]

Sir last part main acc =-g kyu hua agar gravity ka direction to niche hi hota haina to -g kyu huya?

[@Sam-rd2jp]

Thank u soo much for this vedio 🙏🙏🙏🙏too much respect for u

[@mohitgoenka99]

Most welcome dear

[@harisankarpadhy7426]

Wow 😊😊🤗... Amazing content ...This channel is the best channel for physics jee main revision .... We should share this lecture and content to our friends ..so that they also make their revision of physics in a very good manners for upcoming IIT jee mains ...😊😊.. Thank you so much sir for your efforts ..😊.., Sir app IIT advance ke liye bhi content prepare kijiye na 😃

[@mohitgoenka99]

Thank you soo much dear for such wonderful comment. For adv you may follow these: Rotational Motion bit.ly/2WIZ2j5 Gravitation bit.ly/3t5Mqyr Ray Optics bit.ly/3tcm4e8 Magnetism bit.ly/3t2A3Dd EMI and AC bit.ly/3jwsEZF Electrostatics bit.ly/38vEeOm Capacitor bit.ly/3gSRqRX Current Electricity bit.ly/3n5k1HR Thermodynamics bit.ly/2Yh3I07 Modern Physics bit.ly/3tbPQ2v

[@KumarAditya-kq5je]

very helpful video

[@mohitgoenka99]

well done for completing it keep learning and solving

[@PriyanshuDhami-ch1sj]

Thanks sir in helping us in Revision in very less time

[@mohitgoenka99]

It's my pleasure

[@vansh7311]

hello sir came here after reading the instruction on the digital short notes so this is the revision playlist which u have mentioned in red about right????

[@CYRUSxRAWJEE]

15:42 sir which method you prefer for solving cavity problems ( ACCORDING TO EASYNESS )

[@mohitgoenka99]

to me both are fine dear but yes -ve mass is more straight forward method

[@CYRUSxRAWJEE]

@@mohitgoenka99 thankyou sir 🙏

[@sauravrajmnitjaipur5664]

Happy makar sakarnti sir...🥰🥰🥰🥲✌✌😇😇. Thank you sir for revision 😚😊✌✌

[@mohitgoenka99]

Same to you too dear. And most welcome

[@TheinsaneAj]

Can u suggest me a playlist sir for question practice i am neet aspirant sir i am already following this revision series❤

[@mohitgoenka99]

neet aspirants can also complete our recent uploaded 3 challenges

[@TheinsaneAj]

@@mohitgoenka99 sure sir👍👍

[@dk9846]

Maths and chemistry teacher bhi le aaye sir revision series ke liye physics to aap se rivision kar bahut achha lg rha h

[@shahidulislam909]

Sir please please I am facing problems in integration in physics questions plz sir 1 vedio for that plz