Answer to Question #198520 in Field Theory for Pranali Patil

Question

A ladder is placed against a building so that the ladder makes an 81° angle with the ground.  If the ladder is 5.0m long with a mass of 7.5kg and an 82kg painter stands at the 4.0m point of the ladder, determine the minimum coefficient of static friction required to prevent the ladder from sliding; assume there is no friction between the ladder and the wall.

Answer 1

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