Question: Image caption 12.0 m: B C K-40 Equilibrium II. A ladder carried by a fire truck is 20.0 m long. The ladder weighs 3400 N

12.0 m: B C K-40 Equilibrium II. A ladder carried by a Image caption

12.0 m: B C K-40 Equilibrium II. A ladder carried by a fire truck is 20.0 m long. The ladder weighs 3400 N and its center of gravity is at its center. The ladder is pivoted at one end (A) about a pin; ignore the friction torque at the pin. The ladder is raised into position by a force applied by a hydraulic piston at C. Point C is 8.0 m from A, and the force F exerted by the piston makes an angle of 40 degrees with the ladder. What is the magnitude of F exerted by the piston have just to lift the ladder off the support bracket at B? 8.0 m

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