Mechanics - Rotational Mechanics

591

Akshay Ginodia ·2014-01-29 23:24:15

(A) ?

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Akash Anand @Akshaya: post the solution.
Upvote·0· Reply ·2014-01-31 00:27:57
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Sahil Jain ·2014-01-30 01:26:29

(A)

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Debadri Das (A) is the answer i suppose
Upvote·0· Reply ·2014-01-30 01:37:05
Sahil Jain sorry mistke is there
Upvote·0· Reply ·2014-01-30 02:06:43
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Sahil Jain ·2014-01-30 02:07:33

Ans is 15f/14m

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Debadri Das how????
Upvote·0· Reply ·2014-01-30 02:41:00
Sahil Jain let's know the ans first
Upvote·0· Reply ·2014-01-30 02:46:45
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Himanshu Giria ·2014-01-30 02:27:37

(A) ??

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Anurag Ghosh ·2014-01-30 23:43:08

Sir what is the answer of this?

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Akash Anand A is the answer.
Upvote·0· Reply ·2014-01-31 00:27:40
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Sahil Jain ·2014-01-31 01:38:01

Friction will act forwrd
FOR TRANSLATION MOTION
F+f_s= ma
For rotational motion
Fr/2 - f_sr=Ia/r
solving we get a= 15F/14M
at the top most point linear accl is forward and rotn accl is also forward
there is no slipping
Î±r=a
so at the top most point total accl is
2a = 15F/7M

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Akash Anand Great job..can you explain why friction is in forward direction? Why not backward?
Upvote·0· Reply ·2014-01-31 03:13:05
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