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High School/JEE/NEET/IPhO Physics | 17-19 Yrs

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sir any other method for this problem ?

3 years ago by kumar gaurav

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Hi Sir, first of all I’d like to thank you for uploading this video. Sir, I tried solving this question by using the ground frame of reference, and I supposed the spring force on each blocks to be kx(equal on each blocks), however, I was unable to reach to the final answer, but the, when I assumed two unequal force due to the spring on each block (kx1

6 years ago by Kruthik Pimpre

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respected sir in the solution of this illustration is the work done in com frame and the ground frame? that is x1 and x2 would get changed in ground frame?

8 years ago by siddharth jain

Ans 1 ->

work done will be different in both frames but maximum extension of spring will be same... and x1 and x2 are defined in frame of com here and in ground frame both bodies would be moving in same direction of force...

8 years ago by Physics Galaxy

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How is pseudo force acting in this system??as body is accelerating towards right so accn should also be towards right..

9 years ago by Rajesh gupta

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in this question is spring part of a system and spring force is internal force??

9 years ago by Rohan Aggarwal

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sir since the displacements of the block hance the spring is different .i.e. x1 and x2... the spring force on the blocks will also be different..isn't it? secondly why we r ignoring the spring forces on the blocks? plz reply as soon as possible..

9 years ago by Khushboo Jain

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is there any other way to solve the above question ?

9 years ago by bharat tiwari

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Sir, since we are taking x1 and x2 as displacements,so, should not there be x2 as positive and x1 as negative? since x1 is moving in -X direction and x2 is moving in +X direction?

9 years ago by Vineet Chatterjee

Ans 1 ->

Here to calculate work +ve or -ve we need to consider direction of x if it is along F or opposite to F... If direction of displacement is in the direction of Force we will take work positive otherwise negative... I hope you can get it now...

9 years ago by Physics Galaxy

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wouldn't the answer to the second part... i.e. max..separation will be '' L+F/k '' because we are taking x1 and x2 as displacements ... right...??

10 years ago by Ocean Balodiya

Ans 1 ->

In the above solution I have calculated the maximum displacements of the blocks so max displacement will be lo + F/k.

9 years ago by Physics Galaxy

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Video Lectures

High School/JEE/NEET/IPhO Physics | 17-19 Yrs

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