AP Physics 1
5.5 Rotational Equilibrium and Newton’s First Law in Rotational Form
5.3 Torque
A \(5\)-meter long ladder is leaning against a smooth (frictionless) wall, with the bottom of the ladder \(3\) meters from the wall. The ladder is uniform and has a mass of \(20 \, \text{kg}\). A person of mass \(80 \, \text{kg}\) is standing on the ladder at a distance of \(4\) meters from the bottom of the ladder. What is the force exerted by the wall on the ladder?
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