Physics
Physics, 12.11.2019 05:31, vuqepete4528

A750 n painter needs to climb 2.75 m up a ladder (measured along its length), without the ladder slipping. the uniform ladder is 7.0 m long and weighs 450 n. it rests with one end on the ground and the other end against a perfectly smooth vertical wall. the ladder rises at an angle of 60.0 degrees above the horizontal floor. what is the friction force and normal force that the floor must exert on the ladder? known: unknown: strategy solution:

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