Task id9491

Task id9491

A tank with mass m = 5.0 • 104 kg moves uniformly across the bridge at a speed v = 10 m/s. The radius of curvature of the bridge is R = 500 m. Find the force with which the tank acts on the middle of the bridge if the bridge is: a) concave; b) convex. What force would a tank exert on a flat bridge?

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