Question: At one instant, force F = 4.0j N acts on a 0.25 kg object that has position vector r = (2.0i - 2.0k) m and

At one instant, force F = 4.0j N acts on a 0.25 kg object that has position vector r = (2.0i - 2.0k) m and velocity vector r = (-5.0i + 5.0k) m/s. About the origin and in unit vector notation, what are?
(a) The object's angular momentum and
(b) The torque acting on the object?

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a We use l mr xv where is the position vector of the object v is its velocity vector and m is it... View full answer

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