Guest

A uniform chain of mass m and length l overhangs a table with its two thirds part on the table. Find the work done by a person to put the hanging part back on the table.

A uniform chain of mass m and length l overhangs a table with its two thirds part on the table. Find the work done by a person to put the hanging part back on the table.

Grade:12

1 Answers

Badiuddin askIITians.ismu Expert
148 Points
14 years ago

Dear Eshita

 

5948-1603_7662_untitled.JPG

mass of the hanging portion =(m/l) *l/3

                                         =m/3


center of mass of the hanging portion from the top of the tabel  = l/6


work done = increse in potential energy =(m/3) *g * (l/6)

                                                         =mgl/18


Please feel free to post as many doubts on our discussion forum as you can.
 If you find any question Difficult to understand - post it here and we will get you the answer and detailed solution very quickly.
 We are all IITians and here to help you in your IIT JEE  & AIEEE preparation.

 All the best.
 
Regards,
Askiitians Experts
Badiuddin

Think You Can Provide A Better Answer ?

ASK QUESTION

Get your questions answered by the expert for free