Consider a bar, of length 4.5 m, shown in the figure, being acted on by three forces. The magnitudes of the first two forces are 22 N and 35 N, and the first force is acting on the end of the bar at an angle of 28° as shown.
Consider a bar, of length 4.5 m, shown in the figure, being acted on by three forces. The magnitudes of the first two forces are 22 N and 35 N, and the first force is acting on the end of the bar at an angle of 28° as shown.
Part (a) What is the torque, in newton-meters, due to F1 on this bar relative to the left end? Use a coordinate system with positive directed out of the screen. 
Part (b) What is the torque, in newton-meters, due to F2 on this bar relative to the left end, if this force is acting at the midpoint of the bar? Use a coordinate system with positive directed out of the screen.
Part (c) What is the magnitude of the force F3, in newtons, if the force is a distance 0.75 m from the left end and the bar is not rotating?
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Consider a bar, of length 4.5 m, shown in the figure, being acted on by three forces. The magnitudes of the first two forces are 22 N and 35 N, and the first force is acting on the end of the bar at an angle of 28° as shown.
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