Intro to Torque Video Lessons

Concept

# Problem: 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?

###### FREE Expert Solution
84% (462 ratings)
###### Problem Details

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?