A light inextensible thread is wound round a solid cylindrical reel of mass 
kg and radius 10 CM. The end of the string is held fixed and the reel is allowed to fall so that the thread unwinds. If the axis of the reel remains horizontal the tension in the thread will be 
What is the value of ‘*’
A light inextensible thread is wound round a solid cylindrical reel of mass kg and radius 10 CM. The end of the string is held fixed and the reel is allowed to fall so that the thread unwinds. If the axis of the reel remains horizontal the tension in the thread will be What is the value of ‘*’
Question ID - 101416 | SaraNextGen Top Answer
A light inextensible thread is wound round a solid cylindrical reel of mass kg and radius 10 CM. The end of the string is held fixed and the reel is allowed to fall so that the thread unwinds. If the axis of the reel remains horizontal the tension in the thread will be What is the value of ‘*’
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A light inextensible thread is wound round a solid cylindrical reel of mass |
(5)
Let 
be the tension in the thread and 
, the linear acceleration of the reel as it fails
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For the downward translation
(i)
For the rotational motion of the reel, angular acceleration is 
and 
(ii)
From Eqs (i) and (ii), 
=5 N