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A circular-shaped object of mass 7 kg has an
inner radius of 8 cm and an outer radius of
25 cm. Three forces (acting perpendicular
to the axis of rotation) of magnitudes 11 N,
26 N, and 16 N act on the object, as shown.
The force of magnitude 26 N acts 28◦ below
the horizontal.
Find the magnitude of the net torque on
the wheel about the axle through the center
of the object.
Answer in units of N · m.

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