14. Torque & Rotational Dynamics
Net Torque & Sign of Torque
Multiple Choice
Multiple ChoiceA 2-m long bar is free to rotate about an axis located 0.7 m from one of its ends. Two forces act on the bar, F1 = 100 N and F2 = 200 N, and both make 30° with the bar. Find the Net Torque on the bar. Use +/− to indicate direction.
A
−95 N•m
B
+95 N•m
C
−165 N•m
D
+165 N•m
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