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

Rigid Body Dynamics
Duration: 5.17 Min
 
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Duration: 7.49 Min
 
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Duration: 1.31 Min
 
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Duration: 3.50 Min
 
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Duration: 5.16 Min
 
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Duration: 3.36 Min
 
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Duration: 4.41 Min
 
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Duration: 4.13 Min
 
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Duration: 4.31 Min
 
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Duration: 16.34 Min
 
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Duration: 14.42 Min
 
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Duration: 4.05 Min
 
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Module - 13 Solved Example-1
Duration: 1.55 Min
 
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Module - 14 Solved Example-2
Duration: 3.29 Min
 
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Module - 15 Solved Example-3
Duration: 4.31 Min
 
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Module - 16 Solved Example-4
Duration: 2.15 Min
 
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Duration: 9.58 Min
 
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Module - 18 Solved Example-5
Duration: 2.47 Min
 
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Module - 19 Solved Example-6
Duration: 5.07 Min
 
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Module - 20 Solved Example-7
Duration: 4.44 Min
 
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Module - 21 Solved Example-8
Duration: 2.21 Min
 
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Module - 22 Solved Example-9
Duration: 3.28 Min
 
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Module - 23 Angular Momentum
Duration: 17.59 Min
 
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Duration: 7.25 Min
 
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Duration: 2.37 Min
 
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Duration: 2.53 Min
 
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Duration: 3.25 Min
 
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Duration: 2.35 Min
 
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Duration: 10.39 Min
 
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Module - 32 Solved Example14
Duration: 7.32 Min
 
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Module - 33 Solved Example15
Duration: 4.03 Min
 
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Module - 34 Solved Example16
Duration: 4.49 Min
 
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Module - 35 Solved Example17
Duration: 4.48 Min
 
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Module - 36 Solved Example18
Duration: 4.40 Min
 
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Duration: 11.41 Min
 
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Module - 38 Solved Example19
Duration: 2.24 Min
 
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Module - 39 Solved Example20
Duration: 4.45 Min
 
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Duration: 7.53 Min
 
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Duration: 3.36 Min
 
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Duration: 4.51 Min
 
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  1.  
  2. How can we consider friction on the pulley, as it is mentioned as ideal??
    6 years ago by Muskan jain

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  3.  
  4. Won't there be frictional force acting on the cylinder? (It's not given that it is idea)
    8 years ago by Perin Jhaveri
    Ans 1 ->
    We do not consider unless specified in the question... here we assume that axle is frictionless...
    7 years ago by Physics Galaxy

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  5.  
  6. Why didnt we use the relation a1=R.alpha ?? We use this on most of the other questions ?
    9 years ago by vishwanath v pai
    Ans 1 ->
    Because in this case the tension is providing the force for linear motion of this system ...due to which it will already have some linear acceleration which is a1 in this case..and due to the torque provided by this tension...the tangential acceleration will also get added up...and it's overall linear acceleration will be the sum of the two in this case...
    8 years ago by shreya sood
    Ans 2 ->
    so a1 can't be equal to R alpha..hope it helps!!!!
    8 years ago by shreya sood

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