Physics
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During extreme weather, what torque does a force of F = (± 2.6 î - 4.2 ĵ) kN exert on a billboard sign at its center of mass about the base O?
(1.9î ± 0.8ĵ ∓ 2.3k̂)×104 m⋅N
(2.9î ± 1.8ĵ ∓ 2.3k̂)×104 m⋅N
(4.9î ± 1.8ĵ ∓ 3.3k̂)×104 m⋅N
(5.9î ± 1.8ĵ ∓ 5.3k̂)×104 m⋅N