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Q1. A uniform beam, 2.20 m long with
mass m = 25.0 kg, is mounted by a small
hinge on a wall. The beam is held in a
horizontal position by a cable that makes
an angle of 30.0°. The beam supports a
sign of mass M = 28.0 kg suspended
from its end. The tension FT in the
supporting cable is
(A) 792N
(B) 396N
(C) 123N
(D) 729N
Hinge
FHx
mg
FT
FTX
FTY
Mg
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