A vertical rectangular object of uniform mass M=19.4kg has sides a=0.6m and b=2.6m. It is pivoted from point O as shown in the figure below. If a constant force of F=104N, making an angle of B=40° with the diagonal, is applied, determine the angular acceleration of the rectangle at the instant shown in the figure using Sl units. Express your answer with two decimal places. Please use the convention: Clockwise (+), Counterclockwise (-) when expressing your answer.
A vertical rectangular object of uniform mass M=19.4kg has sides a=0.6m and b=2.6m. It is pivoted from point O as shown in the figure below. If a constant force of F=104N, making an angle of B=40° with the diagonal, is applied, determine the angular acceleration of the rectangle at the instant shown in the figure using Sl units. Express your answer with two decimal places. Please use the convention: Clockwise (+), Counterclockwise (-) when expressing your answer.
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Transcribed Image Text:A vertical rectangular object of uniform mass M=19.4kg has sides a=0.6m and b=2.6m. It is pivoted from point O as shown in the figure below. If a constant force of
F=104N, making an angle of B=40° with the diagonal, is applied, determine the angular acceleration of the rectangle at the instant shown in the figure using Sl units.
Express your answer with two decimal places. Please use the convention: Clockwise (+), Counterclockwise (-) when expressing your answer.
Hint1: The moment of inertia of the rectangle about an axis of rotation passing through its center of mass is
ICF Ma?+ b?)
Hint2: Don't forget the force of gravity!!! Take g=9.80 m/s?.
F
CM
а
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