ICSE Class 10 Answered
force
Asked by nilesh.dhote74 | 25 Apr, 2020, 06:36: PM
Expert Answer
i)Weight mg (W) of rule produces an anti-clockwise moment about the knife edge O. In order to balance it, 20gf
must be suspended at the end B to produce clockwise moment about the knife edge O.
ii)
From the principle of moments,
Anticlockwise moment= Clockwise moment
Wx (58-50) =20gf x (100-58)
W x 8=20gf x 42
Answered by Shiwani Sawant | 25 Apr, 2020, 07:43: PM
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