Published by:
CGP EDU Academic Team
Published on: August 13, 2026
A metre scale is balanced on a knife edge at its centre. When two coins, each of mass 
are put one on the top of the other at the 
mark the scale is found to be balanced at 
mark. The mass of the metre scale is found to be 
. The value of 
is
Text Solution
Verified by ExpertsThe correct answer is:
6
(6) Let mass of meter scale be 
.
Balancing torque about knife edge
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