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1. The 1.0mlong nonuniform plank has weight 1000 N. It is supported by two rods, A and B, as shown above. The center of mass of the plank is 30 cm from the right edge. Each support bears half the weight of the plank. If support B is 10 cm from the righthand edge, how far from the lefthand edge should support A be?
The attached image is the picture for this problem that was given.
2. torque (clockwise)=torque (counterclockwise)
torque=Fr
3. This is a multiple choice question and the choices are : 0 cm, 10 cm, 30 cm, 50 cm, and 70 cm. I have no idea how to do this problem so help would be appreciated.
The attached image is the picture for this problem that was given.
2. torque (clockwise)=torque (counterclockwise)
torque=Fr
3. This is a multiple choice question and the choices are : 0 cm, 10 cm, 30 cm, 50 cm, and 70 cm. I have no idea how to do this problem so help would be appreciated.
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