Gravitation - Lecture 2.5 - Variation of g with Latitude
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- เผยแพร่เมื่อ 22 เม.ย. 2017
- Please watch: "Distance , Displacement , Average Speed and Velocity - Lecture 1 - JEE Kinematics"
• Video
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In this Online Video lecture we will be Learning How gravitation due to acceleration ( Gravitational intensity ) changes with Latitude - as we move from equator to Poles
1. Why g changes on earth from place to place
2. Deriving formula for g with latitude
3. g at poles
4. g at equator
5. what will happen if earth suddenly stops rotating ?
6. when will g on earth be Zero ?
Prof Anil Gotpagar -
1. M. Tech IIT.
2. M.Tech Design
3. Worked on few Projects for DRDO
4. Gives guest lectures on Automobile Engineering and How to build an IC engine Car at IITs and NITs
Variation due to Rotation of Earth Latitude Changes
Variation of "g" due to rotation of Earth
Class 11 Physics | Gravitation | #24 Effect of Earth's Rotation on Value of g | For JEE & NEET
When you move from equator to pole, the value of acceleration due to gravity (g) :-
If the earth stops rotating, the apparent value of g on its surface will
Do I Weigh Less on Equator than at the North Pole ? Science || Hindi || Quikr Exam
Variation of 'g' due to latitude| Gravitation
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Really nice explanation..👏👏👌..
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SIR ,YOUR EXPLANATION IS MIND BLOWING ,I EASILY UNDERSTOOD THE CONCEPT .THE WAY YOU ASK QUESTIONS IN BETWEEN THE EXPLANATION HELPS US IN THOUGHT PROCESSING.THANK YOU SIR
I m happy u understood
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I liked the way you explained... It was very classical and to the point... Other teacher waste my tons of time for simple concepts like these
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Clear and informative lecture...Love from bangladesh....
Thanks bro
The explaination is excellent. As the Earth spins from West to East, Should the Centrifugal Force be directed as a tangent to the Surface of Earth in direction of the Spin, rather than exactly opposite to the Gravity.. ie radialy away from the center of the Earth ?
I salute u sir.....GREAT HELP.....I was searching helplessly to find out the logic and u explained it in just 15 min ........
I'm glad.. I was helpful
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What height from the surface is comparable to R. Please tell me the range of height to use two formula for variation of g with altitude
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U r my one of the favorite teacher
Great sir wow it's jee concept and jee teachers does not give this type of explanation wow 😍😍🤩🤩🤩🤩
Brilliant explanation.... Thank you so much😊😊
Excellent ma kasam ye mujhe 11th se nahu smjh aya ye kttitude vala concept lekin aaj pura clear ho gaya thank youuu so much sir from Nagpur
I'm glad you understood vidhanshu
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Brother can you please explain gravity corrections and anomalies. Its quite confusing.
Thanks sir, your video was really helpful
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Wonderful
. Aaz ye derivation samajh aaya
nice
Nice sir... teaching is too good
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Sir agr kuch doubts ho to...
Awesome explanation...
All doubts solved...
rani halder good to hear that
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Sir centrifugal force ki x component kisa aya
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what happens with a sin fie sir??
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Pleez...add your more videos related to this chapter...
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this lecture reminded my old🥺🤗 coaching classes days
Glad to hear that
How Ar.cos(phie) comes? in figure.
Thank u sir !!! i understand concept because of u sir 😁😁
Mahendra Raju Kaperavenollu I love it when students understand physics concepts..
I can't realize it but after seeing your video I can.. Thank you sir. I am from west Bengal
You are most welcome
Thank you sir . Very helpful
Sir if we subtract arcosΦ from mg, the effective g value will still be radial i.e., towards centre of earth. But we know that g effective due to rotation of earth, is *not* purely radial, it points towards a point other centre of earth, on the equator line. How does your solution explains this?
Bro i dint get u
If ur talking about the sine component then that is the reason why geostationary satellite is on equitorial plane
But in our case due to friction we dont go on equator
Sir I really can not thank you enough ... I was very confused with that cos phi thing....
Thank you x infinity... Sir osum...keep it up...
My love to you x infinity.. keep learning
@@physicsguru1 sir can you pls share the link if you have derived expression for the gravitational potential
@@physicsguru1 and gravitational potential energy and escape velocity and orbital velocity
:(
Sir pls share
Ap ache parhate hoo sir. Thanks sir
Sir I think we won't be getting profit by Selling sugar, if our measuring device is beam balance..
It was just a joke
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Thanks sir...!!🙏🙏
nice explanation
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I loved ur explanation sir...😘
Venkata Siva Murali Manohar Jetti thankyou
Badia sir aapkee jaise teacher ki jaroot h humko
Thank u very much superb
Thank you so much sir 😍
Legend 🔥
Kya Delhi sey related sabhi plank scale constant mil saktey hain taki pata chal sakey ki humko decade main kya milega
i dint get you
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At plank scale
Sir how I can solve a numericals for simplest method
this is simplest method that i have shown in videos.
do u want some more tips?
And I love physics very much. It's very much interesting
Uploaded a more videos based on the numericals
Thank you very much sir
Sir nice explaintion but , how is the ar ?
Can u elaborate ur doubt
Love from Canada
love u too
Sir physics ka 5th lesson ke poore videos nhi h ky??...is topic ke aage ke??
Making full videos soon
Sir why we have not considered normal reaction of the body
Shrijal Sinha mg` is the effective force acting on body which is nothing but reading shown by weighning machine which is normal reaction
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Good to know
Well explained
Tnx bro
SIR UPLOAD NUMERICALS PLEASE. ...ON G
Thanks sir
Thank sir
Superb explanation
Thankyou Khalik Mirza
Sir aapke baaki chapters ke video Kaha se milege
Jaise rotational motion, oscillation because in chapters ka Mera concept clear nahi hai
Aur baat rahi gravitation chapter ki to is chapter me mujhe yehi latitude waale me problem hota tha but wo bhi aapne bade hi acche tarike se clear kar diye ho
kuch videos website par hai... almost all chapters will be completed in next 3 - 4 months.... do subscribe.. and thanks for support
Flight times east and west prove stationary earth....how would a plane flying south to the equator increase its west to east rotational speed??? Chase a sunset at 600 mph and wake up folks!
The sun and moon travel over the stationary earth!!! (Same size and path if you pay attention)
Nice explanation sir...but I have a doubt waha cos phi kaise aaya starting me
Woh radius of circle ko radius of earth ke terms main likha hai
Waha triangle main trigonometry main cos thetha laga
@@physicsguru1 okay sir
Nyc
Mast video tha sir sab samajh me aaya
Good to hear
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Yes its not active anymore
Sir jab satalitte orbit me hotti tab yeh effect kyun nahi hotta?
Hota hai na...isliye woh sine component geostationary satellite ko equator pe lake rakh deta hai
@@physicsguru1 tou sir us case me accel of free fall will be simply gravtional force/mass ?
Very nice teaching sir
Tnx bro
@@physicsguru1 Hmm
Op explanation
Thankyou
Sir ka latitude and rotation ka formula ek hota hai gravity ke liye
Yes....effect due to rotation ek hi hota hai
component horizontal kyun nahi le sakte??
comp should be along acceleration as tht is direction of net force
Very good explanation..😃
Do subscriber and watch ray optics and rotational motion too
@@physicsguru1 suree
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Thnx sir
Nice
sir why and how you wrote plz explain ar cos(phi)
we are writing the component of ar along the line passing through centre
component towards angle phi is always cos(phi)
ok sir thankyou
i was studying and that was so simple
did you understand now
👍👍👍
Thank god I understand Hindi
Kritan Shrestha thank god u understood my lecture
Nice explanation 🙂🙂🙂
Thnakyou
And do share the video
Also watch ray optics. It might help too
Ok sir
Sir gravition K numerical upload kr do plz sir
yes numerical series coming soon
Isn't gravitational force equal to centrifugal force?
No
Fir tum yaha kya kar rahi ho 😂
Sir but formula of centripetal is mrw^2
v=rw. so put w = v/r >>> you will get ur formula... both are same
Sir please make a lacture on topic Torque due to gravity..Thank you
yes gravity problems coming soon
can u please explain more how does w=v/r will be equal to mwr^2
nice
:-)
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Ye arcosfy kaise hua ....???🤔
component of ar along the line joining centre..
is it clear? or u need further explaination
Sir ar sin* kha gya
It is not responsible for effective g as it is perpendicular so.. i have notwritten
Poles par radius kum hai to g bhee kum hoga to jayada kaisey bata rahey hain ??kuch explain karwavo ?🕉🕉🕉
Here we have assumed that earth is sphere of radius R
Even if we take radius into account centrifugal force on equator is much more than the less radius at poles
@@physicsguru1 centrifugal ??fugue means fenkna like needyfugus who don't needed any needs nehar mayka 😃😃😃
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Samj kam aa raha h
Thank you...😊😊😊
Now i finally understood this topic ...🙂🙂😊😇😇
I m glad
Show its derivatives and integration up to 100 steps
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Jab tak sari dharti ka derivative and integration nahi hoga to pata kaisey chalega ki next second kya honey wala hai
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w?
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Questions krvavo
Ok
So grid decided the gravity 😃😃😃😃😃😃
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wrong... you know what there is nothing like centrifugal force.... everything can be described with a clear concept of centripetal force which really exists
depending on frame of refrence we can solve the problems using centripetal or centrifugal force...
but everytime shifting makes things complicated..
so according to me it is easier to solve using centrifugal force.
and yes centrifugal force is not real.. it is a pseudo force
Yes you can always solve with centripetal force..
but it does not mean i m wrong..
if u still have doubt.. you can ask ur JEE teacher wheater i m wrong or not...
all the text books are also written in terms of centrifugal .... but i prefer to use the right terms....you are right in ...that changing everything may not be easy for all...... and i am not indian ..... but i see indian videos....they are highly informative ..... thanks
@@jubairtayib8312 you are from