MSc Physics Lectures | Classical Mechanics Lecture 5A | Virtual Displacement and Virtual Work

[@selvamd8861]

Am gaining confidence day by day as I go thru your lectures.. Enabling confidence is a great work

[@ProfSivakumarRajagopalan]

Excellent and all the best.

[@alazyplayer1.b32]

sir, nobody taught me physics like you do . I thank you 🙏

[@roshanpanda1662]

Yes Really

[@elamvaluthis7268]

Really comprehensive explanation painstakingly sincerely explained thanks.

[@ProfSivakumarRajagopalan]

Certain concepts require re-thinking and asking why such ideas are needed!

[@kcdasphysicsclasses8118]

Amazing Lecture Respected Sir.
I have learnt so many things from Your Lecture.🙏😊

[@ProfSivakumarRajagopalan]

Glad to hear that!

[@SalmanbashirCivr]

sir which book are you teaching from

[@soumya112]

24:10
Sir this is also meaningless because the time measured by earth rotation is not also absolute.
And if earth stops rotating then we can measure time by looking at the stars .

[@ProfSivakumarRajagopalan]

We are discussing a principle in classical physics where the concept of relativity is not required. Hence to understand the word "virtual," this explanation is given.

[@soumya112]

@@ProfSivakumarRajagopalan ok sir Thank you 🙏

[@klmkt4339]

Thermodynamics padikkanum. Awaiting your lectures

[@vatanthakur1927]

Thankyou so much sir this concept will be clear exactly

[@blackhole1222]

If q is not related to q dot, then when we find the kinetic energy we obtain q dot by differentiating q. How to connect the two statements here?

[@ProfSivakumarRajagopalan]

At time t=0, we specify the position of pendulum bob and initial velocity of the pendulum bob. The meaning of we specifying two quantities mean that they are independent of each other.

[@ankitmishra2723]

Thanks sir ,I daily wait for your lectures.

[@klmkt4339]

Imagination of deta t equals zero is a new concept

[@vbcambajogai]

Sir one doubt. I am not able to make it up with solving goldstein and your lectures simultanesouly. ?

[@ProfSivakumarRajagopalan]

Try to understand only solved problems from Thornton and Marion, and the Upadhyay books.

[@johnsonshougaijam8127]

Sir please make video on problem solving also

[@vishwa9713]

Good Explanation sir. Thank you...

[@biswanathpramanik528]

Sir what is the need of virtual displacement and work?

[@ProfSivakumarRajagopalan]

The mathematical idea (concept) of virtual displacement and virtual work enables us to solve problems somewhat quickly (easily) compared to a method using Newton's equation F = ma.

[@elamvaluthis7268]

Nice explanation.

[@klmkt4339]

Derivative of 3 cm ... Good example

[@MuhammadIsmail-yq4qq]

Mathematical physics lectures be upload kary

[@MANISHKUMAR-rc3zc]

nice lecture sir

[@theerdhathulasi6875]

Thank you sir! Nicely explained

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Thanks a lot sir

[@vishwa9713]

Thank you sir...

[@nivedha3785]

Thank you sir.

[@asifalis9741]

Clearly understood

[@devipriya1173]

Nicely explained sir

[@ProfSivakumarRajagopalan]

Thanks for liking

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thanku sir

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Thank you sir!

[@mohammedaaqib4887]

Thank you sir

[@anuragdubey5246]

Thanks sir 😌

[@sureshthsngsrsjsn]

Thanks a lot sir
please upload D Alembert's principle

[@ProfSivakumarRajagopalan]

Yes, next two videos will be on virtual work and D'Alembert principle.

[@sureshthsngsrsjsn]

@@ProfSivakumarRajagopalan thanks

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Thanks

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Joel Jeevan 1st msc physics

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Arunraj Nambiar
PU21035205
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Manasa V S
(18380321)

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Tq so much sir

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