Consider again the ladder in Problem 30. What is the sign of the torque on the ladder due to the force from the wall?

Data from Problem 30

A painter is standing on the ladder (mass 40 kg and length 2.5 m) in Figure P8.30. There is friction between the bottom of the ladder and the floor with µ_S = 0.30, but there is no friction between the ladder and the wall. The painter has mass 70 kg and is standing a distance of 0.60 m from the top.?

(a) Make a sketch showing all the forces on the ladder. Be sure to show where each force acts.?

(b) Express the conditions for translational and rotational equilibrium for the ladder.?

(c) If θ = 60°, use the results from part?

(b) And determine whether or not this ladder will slip.

Figure P8.30

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