SchoolSimon Fraser University
Course CodePHYS 101
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If the force is attempting to rotate the object counter clockwise, the torque is
positive (C points out of the page) !
If the force is trying to rotate the object clockwise, then the torque is negative (C
points into the page) !
(1) Extend the force vector in both directions as far as possible (line of action) !
(2) Draw a line from the pivot to the line of action so that the line intersects the line
of action (90 ).
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