9. One end of a uniform rod of mass m and length 1 is
clamped. The rod lies on a smooth horizontal surface
and rotates on it about the clamped end at a uniform
angular velocity 0. The force exerted by the clamp on
the rod has a horizontal component
(a) mo?
(d)
2
(b) zero
(c) mg
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Answer:
The force exerted by the hinge on the rod is centripetal force and is given by:
F=mrω^2
⟹F=mlω^2
Explanation:
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