A 0.119 kg meterstick is supported at its
34.9 cm mark by a string attached to the ceil-
ing. A 0.672 kg mass hangs vertically from the
4.26 cm mark. A mass is attached somewhere
on the meterstick to keep it horizontal and in
both rotational and translational equilibrium.
The force applied by the string attaching the
meter stick to the ceiling is 21.5 N.
Find the value of the unknown mass. The
acceleration of gravity is 9.81 m/s2 . answer in kg
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