VARIATION of Acceleration due to Gravity (g) with DEPTH | in HINDI

In this Physics video lecture in Hindi for class 11 we explained how acceleration due to gravity (g) varies with depth. If we go deeper, g decreases. Acceleration due to gravity also decreases with height and it also varies with latitude. In the other videos we discussed on those topics.
During the derivation of the formula for the variation of g with depth we found that g' = g(1- d/R), where, d is the depth of the object from the surface, R is the radius of the earth and g is the acceleration due to gravity at the surface. The acceleration due to gravity decreases linearly with depth and at the center of earth it becomes zero which may seem to you counter-intuitive. But this phenomenon can be explained by the "shell theory" given by Sir Isaac Newton.
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Arijit Daripa
EduPoint,
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Dist- Seraikela-Kharsawan,
Jharkhand,
India.

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यह कहानियां सुनाने जैसा ही है , जो आप समझा रहे है उसे प्रेक्टिकल कर देखेंगे तो पता चलेगा ,वास्तव में क्या सही है ।
देश को प्रेक्टिकल नालेज पर भी ....

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Sir please make a video on varitation of g with latitude

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Sir yaha humne density of Earth ki constant Mana hai per logically Earth ki density surface pe or depth pe alag hogi. Per equation me density rho cancelled out ho rahi hai. To Kya actual me bhi 'g' vahi rahega jo actual me equation solve karke aya hai?

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How can the net force of the shell is zero ??? Another point is far away from the first how can the force cancelled out plzzzz answer me plz anyone clear my doubt plzz🙏🙏🙏

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sir agar prithwi ko adha Kat Diya jaye to accn due to gravity g/2 Hoga ya wohi rahega please answered with reason

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Sir-when a object 10m above from surface of Earth and other object 10m down from Earth surface then g is minimum on first object otherwise 2nd object?

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DEVENDER RAJPUT above the earth 🌍 g will be minimum and below the earth 🌍 g will be maximum

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g will be maximum at the earth's surface

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Sir...why u taken the density of small speherical cell as "p"??
I think the value of density of smaller cell should vary with respect to the bigger cell...! (Because of change in volume and masses)

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How to assign the sign of acceleration due to gravity

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sir nice video . i have question that what if ( R=d ) this can happen at 2 point at first when g' =
0 or when we are at Center of the earth. Then what will be the f' at that time ????

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+Diary of Masked kid
Zero.
Good question!

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Thanks.

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What will happen if we are at the center of earth???

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weight

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Sir value of g at the center of Earth?

[@edupoint.physics]

0.

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Sir I have query sir how we can write R-d/R as 1-d/R

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When R-d/R was given, we have to divide the R by both side so R/R=1 and d/R so 1-d/R

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Sir, your equation is not valid at the centre of the earth. When R is equal to zero.

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G aur g dash ko divide kyu kiya gya

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why mass not change when object is at height

[@edupoint.physics]

Because mass is an intrinsic property of an object (but careful in relativistic cases) and quantity of mass does not depend upon the existence of another mass (gravitational pull).

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Welcome.