Question: Force F = (-8.0 N) i + (6.0 N) j acts on a particle with p on vector r = (3.0 m) i + (4.0

Force F = (-8.0 N) i + (6.0 N) j acts on a particle with p on vector r = (3.0 m) i + (4.0 m) j. What are?
(a) The torque on the particle about the origin, in unit-vector notation, and
(b) The angle between the directions of r and F?

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