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9. In the figure, what is the lever arm of force F1 about Q? a) 0.5 m b) 0.707 m c) 1.0 m d) 1.41 m e) none of the above F2- 4N 1m 10. What is the torque applied by F2 about Q? b) 1.41 N m d) 2.83 N m e) none of the above a) 1.0 N m c) 2.0 N m
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