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AP Physics C: Mechanics
5.5 Rotational Equilibrium and Newton’s First Law in Rotational Form
5.3 Torque
IntermediateMCQMathematical22.2k
Uniform ladder leaning against a vertical wall at an angle \(\theta\) to the horizontal ground.
Uniform ladder leaning against a vertical wall at an angle \(\theta\) to the horizontal ground.
A uniform ladder of mass \(M\) and length \(L\) leans against a frictionless vertical wall, making an angle \(\theta\) with the rough horizontal floor. The coefficient of static friction between the ladder and the floor is \(\mu_s\). Which of the following expressions represents the minimum value of \(\mu_s\) required to prevent the ladder from slipping?

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