NLM 04 | Pulley | Movable Pulley, Constraint Relations | Mechanical Advantage | 11 | NEET| IIT JEE |

[@PhysicsWallah]

Watch Ad Free Videos ( Completely FREE ) on Physicswallah App(bit.ly/2SHIPW6). Download the App from Google Play Store. Download Lecture Notes From Physicswallah App(bit.ly/2SHIPW6) Notes Available at Home Page of the App(Home--Pace) PACE - Class 11th : Scheduled Syllabus released describing :- which topics will be taught for how many days. Available at PhysicsWallah App :bit.ly/2SHIPW6 Duration:-3months (Nov 2020 - Feb 2021) Free Batch Exclusive on our KZbin Channel:PhysicsWallah-Alakh Pandey Batch Details 1)Best Faculties across India for different Subject/Topics. 2)Complete & Relevant Syllabus Coverage of Class-11th within 3 Months- Fastrack Nov 20,2020-Feb 20,2021 3)Monday-Sunday : scheduled Classes everyday ( for each Physics, Chemistry,Mthematics & Biology) 4)FREE videos without ad available on app 5)Notes Link on Description Physics:Tues,Wed,Thur,Fri,Sat : 3:00 pm Chemistry: Physical & Inorganic Chem: Mon,Tue,Wed,Thur,Fri:7:00 pm|| Organic Chemistry:Sat,Sun : 9:00 pm Mathematics:Wed,Thur,Fri,Sat,Sun: 5:00 pm Biology:Wed,Thur,Fri,Sat,Sun: 10:00 am 4)Scheduled Syllabus released describing :- which topics will be taught for how many days. Available at PhysicsWallah App :bit.ly/2SHIPW6 Lakshya Batch-Complete Physics for Class 12th BOARDS/JEE MAIN/NEET Yakeen Batch-Complete Fastrack Course(11th & 12th) for NEET Accelerate Batch-Complete Fastrack Course of PCMB for Boards/NEET/JEE Mains Prayas Batch-Complete Fastrack Course of PCM for JEE Mains &JEE Advanced For more Details of the Batches visit PhysicsWallah App(bit.ly/2SHIPW6) Physicswallah Instagram Handle : instagram.com/physicswallah/ Physicswallah Facebook Page: facebook.com/physicswallah Physicswallah Twitter Account : twitter.com/PhysicswallahAP?s=20 Physicswallah App on Google Play Store : bit.ly/2SHIPW6

[@deadpoollucky667]

Thanks sir

[@tribhuvansinghtribhuvansin5971]

Sir 37:49 ke pahle wala question hai usme aapne a1 par do tension lagaye 2t upar aur 2t neeche but 37:49 wale question mein aapne keval 2t upar hi lagaya . Sir pls kindly obligate me.

[@mukeshkarki]

kzbin.info/www/bejne/eWXdnq17gJeFm68

[@sulabhagrawal6414]

@@tribhuvansinghtribhuvansin5971 listen actually there is no need to show tension on upper side that's why sir doesn't made that In previous question sir just showing that 2T that how it will come

[@sulabhagrawal6414]

@ bro how it will in equilibrium and 3pulley are for 1block so it has greater mass & if it has acc it means it is moving na Hope you understand

[@rajumachhi905]

*Rohit Gupta* the *man of integrity* 51:44 what a style 😎

[@ashrayshetty7746]

oml. the quality of content and the way he conveys us the concept is incredible. never thought something like this would be available for free.

[@ayesha5120]

35:10 sir repeated one thing [ a2=2a1] , exactly 10 times

[@lakshyapratapsingh2341]

I give you 10 th like 😂

[@rayyanfarooqui9492]

Its 11 times

[@oliviaadams415]

you're a legend

[@Rahul-fz1dr]

@@rayyanfarooqui9492 i hate faaroquis]

[@techInsider0912]

Mashup Hub 1 second ago it is worth saying it 10 times as it came in todays jee morning shift

[@hritiksingh9823]

sir sach bol raha kam se kam 10 teachers se constraint motion padh chuka par itna eassily kabhi samjah nahi aya thankyou sir

[@kaifisavailable]

Thoko thali for this great teacher u full filled the lack of our alakh sir thanku ❤️❤️

[@whiteblack1012]

My coaching took 1 month to explain topics which sir has covered in this lecture hatsoff to you sir

[@Mehta2140]

It means coaching vale no deap m padhaya hoga

[@Mehta2140]

And that's really good

[@vaibhavramchandani7827]

Kya concept hai sir You are the teacher who is successful in filling the age gap between us,😇😇☺️

[@ishangrover1453]

What a thumbnail and what a lecture beauty Last thing: what an amazing concept and questions explained by sir in all lectures

[@chandavaidya2866]

Really true😍

[@inclinedadarsh]

Hey, I have a doubt and idk where I can ask it, so if you can help me.

[@shreeharishukla7675]

@@inclinedadarsh say

[@elite7585]

@@inclinedadarsh what

[@prajwalpatil1735]

Thumbnail is next level.

[@omm12312]

Angel priya tera baap hu mai 😂

[@pwmedicoodisha]

kzbin.info/door/rfgvijFEivfHVDIzTsHp2w

[@amanpathak6835]

Sir ne Wight ko consider kyon nahin kiya constraint method me

[@beastashwin1923]

@@amanpathak6835 kyunki work done by Tension ki baat ho rahi hai naaki weight ki.👍

[@subhamyadav466]

17:19 sir apne mana h na pakka ya phir aisa hi hota h

[@gurdipsingh7099]

Byjus, Unacedmy, Vedantu: Hum apne bachon ko bohot pyar karte hain . Physicswallah: Par bachon ka love hum hain

[@AnitaGupta-fw6zs]

Sirf pagal bacche hi karte hai

[@Hanuman335]

aare bhai kisi k liya aasa mat bolo sab aapni jaga pe thik he .

[@manas-singh]

Damn True!!!!! 😁😁😁😁😁😁 👏👏👏👏

[@iitian2004]

Bro tum log in baaton ko soch kaise lete ho........🤔🤔

[@shikhagupta6114]

Arreeeee bhaaiiii ......epppiiiiccccc✌✌✌✌✌✌✌✌✌✌✌✌✌✌

[@bemedicos7767]

Yepp ... That tag is all we need right now and hardwork always pays off 🔥✨

[@hardikagarwal1349]

Wow,super lecture ,THANKU ALAKH SIR and TEAM!!

[@DeepakKumar62870]

All question are great Thnq you all sir Keep question practice

[@mohammadfaayezfaroghi5315]

Sir the best part of ur vedio is ......1. U never say ur to like the vedio 2. U never advertise ur channel 3. U never bored at starting 4. Simple jokes and full conc. 5. And infinity merits of ur vedio 6. Infinty best things

[@techytrends]

11:54 14:55 16:08 18:21 19:44 21:44 23:51 31:47 35:44 38:02 40:00 41:34 44:12 46:18 50:34 54:27 58:49 1:02:36 1:05:49 1:08:34 For making notes go here ☝️☝️ every slide included..

[@Fernis_edits]

Don't waste your time in samajseva

[@ritikvarshney5549]

@@Fernis_edits 😂

[@princemaurya5311]

Thank u bro👍👍

[@savithamashetty7231]

'Hello bachoo ' the word is incredible

[@pwmedicoodisha]

Last word "padhai karte rahe all the very best"is also incredible 🎉🎉🎉🎉🎉🔥🔥🔥🔥

[@rahulchandel4829]

@Masti with Saikat Chakraborty point h bro 👍😂

[@artificalithefuture6120]

multiple word are called "words"

[@Animes-x1j]

⚜He inspire you, he entertain you, and you end up learning a ton even when you don’t know it.⚜

[@akshatjain2277]

Sir Class 11 Walo ki Moj Ho gayi Par sir Aaisa Kuch class 12 ke liye bhi karna 2021 Mee pls sir 💕💕

[@aryyan7831]

WE WANT ROHIT GUPTA SIR NEXT YEAR CLASS 12TH ALSO!🙏❤

[@jesvlog627]

You are right bro

[@rsyadav3355]

Thank you Sir for this kind of explanation..... Next level.

[@narendraraikwar5977]

42:00 the wala question sab dete hai alakh sir bhi...🙏

[@tany1291]

Thanks sir for explaining the concept in simple way.

[@roshanisingh2555]

a huge round of applause for you sir kitne saare concepts kra diye ...just in one hour... i am just amazed man!!!!!!!

[@princepatel5590]

From class 10 to advance the journey was awesome its been 4 years now 👍

[@NicolasAlvesDias]

kzbin.info/www/bejne/g5a7cmN3fJyUarc

[@ujp-upamanyujitphukan4321]

Understood everything better than in coaching. Also d method was very convenient & time saving

[@shiksharawat6948]

Best physics teacher I have ever seen 🤩💖💕💕💕💕your explanation are crystal clear sir!!! I enjoyed a lot, and alakh sir is also one of the best physics teacher!! I love to learn physics by you both sir 💖💕💕💕💕💕💕❣️❣️

[@anku907]

Muje padha do na physics aap ko aache se aati ha to 🥰😀

[@Sumit_ksyp20]

😂😂

[@shauryakhedekar]

thanks sir , this will help me a lot .. i had problem in these types of question since it has been taught to me in my coaching , but you came like an saviour and helped me a lottt ..

[@himanshuchauhan9996]

One thing i like from this that you read and then explain 😍😍😍😍

[@akshatgupta3972]

Sir your effort made me speechless

[@sia00421]

Sir pls start a test series for pace batch so that we can revise our syllabus ❤️❤️❤️ lots of love and respect sir🙏🙏

[@faviaaannn]

jaake allen ki khareedlo sir ye provide kr rahe hain bohot hain

[@sia00421]

@@faviaaannn khreedne ki baat Hoti to vo to coaching bhi unhi se le skte the pr sir jaisa koi nhi pdhata and na hi koi alakh sir se aacha material provide kra skta h

[@shivanshgupta1874]

Yes

[@singva7506]

its better to solve DPPs or questions of topic taught

[@singva7506]

you can try amazon academy abhi completely free hai

[@Ayush-tf7kf]

Thumbnail is better than most of the bollywood movies posters 😒😂

[@_Aman_Kumar_]

Alakh sir funny video with all teacher's kzbin.info/www/bejne/pICpg3aanZWgj7s

[@shloknagarkar]

Better then sadak thu 😂

[@Ayush-tf7kf]

@Vipul Yadav aur kya, padhne thodi aya hu, dusre chapter ka 4th episode hai ese hi ni dekh rha koi

[@theuncoolbateman3732]

No

[@harshjain7516]

Kya bhaii kis se comparison kr rha h unki toh m apni tatti se naa kru😂😂😂😂

[@pranavreddy9987]

I honestly thinks Rohit sir teaches better than Physics wallah. I am not disrespecting Alakh sir, we all love him. But teaching wise, i think rohit sir covers more concepts and its sad how sir has such low views!

[@thief101]

Sir aap jo important line ko 3 -4 baar repeat karte hai na wo Hume learn karne me bahut help karti hai

[@theinformer5094]

Sir aap mere pure life mein best Physics educational Rockstar hai

[@portgasdace491]

Now constraint is just a piece of cake 🍰 Thanks a lot

[@anuradhagupta1028]

sir pehle lagta tha aap boring hai but aap sabhi misconception clear kar dete hai, physics mein bhi or apne baare mein bhi

[@jatingupta6705]

Really sir very interesting lecture.Thanks for make it superbly great.🔥🔥🔥

[@geopoliticsexplained6118]

thank you sir you helped me a lot through your concepts, i wish i can touch your feet

[@supradeep.mukherjee]

Sir, Please start regular exams(or unit tests) also for Class 11(doesn't matter if we have to pay for that) Please Sir Please 🙏🙏🙏

[@dishavsingh7743]

Sir mere sabhi answer correct hai bas aapka struugle aur hamari mehanat aise hi barkarar rahe🙏🙏👌👌😘👁️

[@NehaSharma-ec2cg]

37:52 here RG sir became a mixture of both Amit Sir and Tina Mam😂😂

[@VikashKumar-td3hh]

Kaira advani

[@VikashKumar-td3hh]

Kaira h

[@ScrollwithASH281]

Myy favorite actresses iss Kiara advani

[@ujwal3934]

RG sir is male form of ritu rattewal mam ......mst maje se story suna ke padhate hai😍🤩

[@tany1291]

Thank you sir You explained concept in easy way.

[@piyushporwal_11]

...... Fabolous sir Plz sir 12 th bhi complete karwa digiyega #love from navodaya

[@SURESHCHAND-kb2vr]

1:04:20 par sir ne normal reaction kyu nhi liya do surface to touch mein h na

[@anandjaiswal3621]

sir maja aa gya aur tali v thod diye ..... you are great love you sir ... sir aap hi h jo kamal h , school m kch nh smjh aata pr aap mjhe visvas dila diye h ki mai v iit crack kr skta hu if i will work hard as you are doing... thankuu so much sir

[@ataulwahab6892]

Difficulty was made easy with PW....Thank you for your efforts ♥️

[@barunkumar7573]

Sir I watched your pulley class. And understand very clearly. So I can say you are perfect in pulley.

[@RohitSingh-vt8on]

*Sir* main KZbin mein main bahut sari *collision* ki video Dekhi per Mujhe unmen se ek bhi samajh Nahin aaaei. Asha Karunga aap is topic ko bahut acche Se Samjhenge 🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏

[@Sharmaachyut]

sir aap se acha koin nhi thank you for your effort and we will make you proud by topping NEET 2023

[@krishnabhumikamakhya4429]

22:04,😂😂 hilarious smile ( sorry sir 😝😝 )

[@akshatgupta3972]

Ek dum pyari smile

[@krishnabhumikamakhya4429]

@@akshatgupta3972 right 😆😆

[@hashira5555]

ya

[@kartikeyadwivedi3626]

sir your efforts for us is equal to the hight of evrest and the thumbnail is out of the box

[@subhamyadav466]

36:32 a2=5a1 Edit So happy 🥳 that my answer is crct

[@NK11753]

1:05:07 for people wondering where this came from, sir meant CENTER OF MASS of that half rope is there.

[@shreyansh2759]

Sir mujhe challenger me bas wo angle nikalna hi nahi aa raha tha nahi to pura solution ho jaata NOTE : Aab hamesha yaad rakhunga ki jo angle inclined plane horizontal ke saath banata hai wahi angle normal vertical ke saath banata hai

[@SURESHCHAND-kb2vr]

1:04:20 par sir ne normal reaction kyu nhi liya do surface to touch mein h na

[@soupreetdey5061]

@@SURESHCHAND-kb2vr kyunki string wall se latki hui hain. Normal tabhi lagta hain jab koi object doosre object ke jagah ko occupy karne ki koshish karta hain. For example book placed on a table

[@SURESHCHAND-kb2vr]

@@soupreetdey5061 I had already understood it but thanks for your reply ❤❤❤☺ Very few students resolve others problem 🥺🥺

[@soupreetdey5061]

@@SURESHCHAND-kb2vr welcome😊

[@RakeshGupta-uy3zr]

44:39 the sound of the marker is so satisfying

[@endlessgoalaspirant]

Dil se❤️❤️❤️ pyar alakh sir ki team ko

[@dksharma6083]

1st fig object uthana hai using pulley mei jitna force laga rahe hai vo tension ke eq hoga and tension of string=mg, toh that means force=mg and load of object is also mg, mechanical advantage=load/F=1 koi advantage nhi mille, 2nd fig bhi object uthana hai but ,vaha mechanical advantage ho aisa pulley system banaya hai, ek force F (tension) se kheecha but jis string se object connect hai uss mei force 2F=ma lagega or 2T now mechanical advantage= mg/mg/2= 2 yaha we got advantage

[@dreameranshi3535]

Sir you teach in a beautiful mannner....and clear the concepts easily..😊🤟😊 Did everyone agress..... 😁😁😁

[@rishavsharma6452]

@# FAMBRUH 4 f+4f=8 f

[@ramilamotka8061]

Sir your videos are very very helpful to me and all 🙏 Thanks a lottt

[@satyanarayanbairwa2601]

Thumbnail to ek no. Tha 👏🏻👏🏻👏🏻

[@nitianaryan314]

.

[@beingambivert8413]

Pulley ka tu diwala nikal gya mtlb mindblowing

[@M_O_N_S_T_E_R815]

Jai jai physics wallah sari team degi saath hamara..........🤣😍🤩

[@sreeraj1244]

Bhai iss teacher ne jo samjhaaya hai na......Maa kasam mazaa aa gya. Thank you so much sir🥰🥰

[@hjs2136]

No body can teach physics like u Rohit sir❤

[@supriyarai3673]

Sir please start test series for us too... It's our humble request 🙏

[@AbhishekKumar-vt2oh]

Rohit sir ky mast padhate hai yaar like alakh pandey sir

[@varshithreddy4954]

Day by day thumb nail becoming more creative 😎😎

[@yashvardhansharma4945]

Thanks sir amazing effort! Very high energy and fun way of teaching. Thanks a lot!

[@manishswami3889]

Rohit sir u are a legend...🙏🙏

[@ritikgupta897]

1:06:29 Maine N1 khud nikal liya tha and laga N2 to easily Nikal jayega but sir aapne to waqt badal diya, jasbaad badal diye.... 😂

[@adamtech2096]

We should Appreciate the efforts of Rohit sir🙏🙏🙏 thankyou sir for teaching us in a cool manner❤️❤️❤️

[@britishchild]

Sir aap Jaise teacher Maine Kabhi Nahi Dekha I love u sir ❤️❤️❤️❤️❤️ to ❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️ sir main bahut khus hoon

[@krudra581]

thank you sir for this great lecture

[@sarwanprasad890]

Hii

[@ChampionZaid]

Maine pulley ke liye 10 video to dekhe hi honge but aaj tak mujhe uske numericals karne nhi aaye shayad ab rohit sir is my last hope aur mujhe poora yakeen hai ki ab mujhe aa jayega

[@kyaboltipublic4849]

Sir aaj ka lecture sabse kam samajh mein aaya bahut kuch cover kiya apne isme but fir bhi Thank you so much for this lecture

[@nileshkulkarni6196]

Sir agar springs massive ho aise problems ho to wo kaise kare agle video me ye pls. batana

[@hetpatel0515]

Thumbnail is amazing 🔥

[@harshpandey4190]

Thanks alot sir I understood all concepts of NLM

[@hariomshukla7348]

You are a legend sir

[@LiyakatHussain-ph3kn]

Sir aap bhut acche se smjha the ho osm ❤❤

[@subhanisk9299]

Jo starting me alakh Sir ke Voice ho tha na like "HELLO BACHO" ussey ek dam ham dar jathey hai and class ke liye tayar ho jathey hai😂😂😂😂😂😂😂😂

[@avichoudhary0]

Han 🤣🤣 yeh to hai.. 😄

[@avichoudhary0]

Now u are in 12 😀 am I right ?. 😄 I am also in 12 😄 u are neet or jee aspirant ?.

[@subhanisk9299]

@@avichoudhary0 jee bro

[@narendramvlogs4601]

Thanks for you sir .ನನಗೆ ತೋರಿದರೆ ಇಲ್ಲ sir.

[@subhamyadav466]

39:06 ans is v1=v2cos• Edit this is also crct🥳

[@user-rz4jz4dk5s]

U are teaching good but ,u think that u urself know things and students would also know, so u explain very fast. Else u are very good teacher. Its just what i feel.

[@Ayush-ue8jf]

I am waiting for this lecture. Today's lecture helped me a lot.❤️❤️❤️

[@AbhishekKumar-vt2oh]

Yes

[@AnitaChoudhary-hv8vk]

Sir aapki voice Modi Ji se milti Hai...😊😊😊😍😍😍🌀🌀🌀

[@utsavtiwari4632]

Sir please arrange weekly test so that we could judge ourselves

[@SURESHCHAND-kb2vr]

1:04:20 par sir ne normal reaction kyu nhi liya do surface to touch mein h na

[@Dash...12541]

Thanks sir for today's lecture I will practice more and more questions today

[@piyushsharma8768]

Yes that's what we want from you

[@satyanshsarangi3535]

ROHIT SIR❣️❣️, the best physics teacher I have ever saw. (exception: Alakh sir)

[@artificalithefuture6120]

please dont compare two teachers

[@SURESHCHAND-kb2vr]

1:04:20 par sir ne normal reaction kyu nhi liya do surface to touch mein h na

[@kubersharma6280]

Sir , please solve atleast one question on rain problem( when velocity and direction of rain changes).Because what u have told is about the change in the velocity of the man .

[@shubhammandalkar2479]

Rohit sir looks like Ross Geller from friends Don't anyone else think

[@pawansharma2636]

Alakh sir is god for all stream students 🙏🙏

[@diyaagrawal5048]

48:29 sir samjh to pura aa gya lekin ye samjh nahi aaya ki L^2 ka differentiation= 0 kese hua

[@prt4691]

Dekho sis L^2 jo hai woh constant hai na sir ne bataya hai ki length of rod toh change nhi hoga isliye constant ka differentiation zero aa gaya Hope abhi CLR hoga 👍

[@diyaagrawal5048]

@@prt4691 lekin x and y bhi to distance hea isliye to dx/dt velocity hui??

[@prt4691]

@@diyaagrawal5048 Dekho x and y samay ke saath change ho raha hai yaani variables hai lekin rod ke toh apni length fixed hogi na woh todi expand kar raha hai khud ko woh toh sirf slide kar raha hai jiski wajah se x and y change ho raha hai with time Isiliye L(length of rod) ek constant hai👍 Baaki x and y variables hai(distance ofcourse) Isiliye dx/dt and dy/dt velocity aa gaya Hope this helps 👍

[@diyaagrawal5048]

@@prt4691 oh thanku so much .. Sach me kaafi confused thi..thanks again 😊

[@prt4691]

@@diyaagrawal5048 Welcome 👍

[@harshit386]

THumbnail you nailed it

[@mridulsharma8447]

After watching today's lecture 🤐🥴🥴🤯🤯

[@zestygamer5125]

Pulley ke liye best lecture hai

[@rajat3398]

40:44 Question from HC VERMA BOOK

[@simratpalkaur6484]

I only don't understand this question If you know then help me please. ( How sir calculated T1 value and cancel 2Tsin theta)

[@gopichandsharma2433]

Yes mujhe bhi nhi aaya

[@SURESHCHAND-kb2vr]

1:04:20 par sir ne normal reaction kyu nhi liya do surface to touch mein h na

[@mdfaisalquaiyum4403]

Rg sir Ka dimag Bahut Tej h🙌🙌

[@shreyasimondal2890]

The thumbnail was extraordinary....😂😂😂😂😂🤣😂🤣

[@akshatjain2277]

👍

[@trws97]

Yess😂😂

[@guriyakumari464]

First of all a very good evening to you respected sir, the doubt which I am farcing during watching this lecture is in the time period of "46:00" there is a question in which three pullies are attached in between the two Boxes. So, in that question why you have taken tension which is at the String which is T ? You were taking the tension force of 2T na. As in the previous few problems. So, according to me, the thing which I want to tell you that ..... -2T a2 - 2T a2 - 2T a1 - T a1 = 0 . Can you please tell that why you haven't taken the tensions of 2T and 2T in leftside which form 180° by a2, AND 2T and T where 2T is the tension of the pulley and T is tension on the string ?? Ok sir , please try to understand my query .🥺🥺 Thanking you !!

[@prt4691]

See sir ne bhi waise hi kiya hai Waha unhone ne bhi 2T and 2T consider kiya hai Woh bus batate time unhone T bataya hai Lekin uska resultant hi 2T 2T aayega 2Ta2 +2Ta2 -2Ta1 -Ta1=0 4Ta2= 3Ta1 you are thinking absolutely right