MathDB
Putnam 1954 A4

Source: Putnam 1954

July 17, 2022
Putnamanglephysics

Problem Statement

A uniform rod of length 2k2k and weight ww rests with the end AA against a vertical wall, while the lower end BB is fastened by a string BCBC of length 2b2b coming from a point CC in the wall above A.A. If the system is in equilibrium, determine the angle ABC.ABC.