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A bridge of length 50.0 m and mass 8.50 x 104 kg is supported on a smooth pier at each end as shown in the figure below. A

truck of mass 2.50 x 10¹ kg is located 15.0 m from one end. What are the forces on the bridge at the points of support?

AN

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15.0 m

normal force at point A

normal force at point B

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50,0 m

N

N

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