A metal bar is in the xy-plane with one end of the bar at the origin. A force F=(6.82)i+ -3.24j is applied to the bar at the point x=3.87m , y=3.21m .
a. What is the position vector r for the point where the force is applied?
Express your answer in terms of the unit vectors i and j .
b. What are the magnitude of the torque with respect to the origin produced by F?
c. What are direction of the torque with respect to the origin produced by F?
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What scientific concept do you need to know in order to solve this problem?
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