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a heavy uniform straight rod is suspended from apont by two strings of the same length as the rod attached to its ends.if one string is cut prove that the initial angular acceleration of the rod is nine times that of the remaining string.

a heavy uniform straight rod is suspended from apont by two strings of the same length as the rod attached to its ends.if one string is cut prove that the initial angular acceleration of the rod is nine times that of the remaining string.

Grade:

2 Answers

Shobhit Varshney IIT Roorkee
askIITians Faculty 33 Points
6 years ago
Dear student,

Find out the tension in the string and draw the FBD of the rod and the string just after the string is cut.
Find out the unbalanced forces and find the accelerations,

Good luck in your studies and study hard and achieve heights of success.

Thanks
arun gupta
8 Points
6 years ago
sir
 
i tried to do it as mentioned by you before posting this question on this forum but still could not succeed  by equation
 
mg-t=ma and mgl/2=ml2/3alpha  and a=l/2alpha with this t=mg/4 and alpha  comes out 3g/4l but after that how it will go further.

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