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Raising a Ladder a ladder carried by a fire truck is 20.0 m long. The ladder weighs 2800 N and its center of gravity is at its center. The ladder is pivoted at one end (A) about a pin (Hg. 11.22); you...

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Raising a Ladder a ladder carried by a fire truck is 20.0 m long. The ladder weighs 2800 N and its center of gravity is at its center. The ladder is pivoted at one end (A) about a pin
(Hg. 11.22); you can 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° with the ladder. What magnitude must F have to just lift the ladder off the support bracket at B1 Start with a free-body diagram of the ladder?


Answered Same Day Dec 24, 2021

Solution

Robert answered on Dec 24 2021
115 Votes
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