A blog where I post solutions to the mechanics and statics problems that I encounter. Also many mastering engineering problems will be seen, so users of that program may find this blog interesting. The course uses the Hibbeler Statics textbook and some of the subjects covered include: Cartesian vectors, force resultants, force equilibrium, particle equilibrium, Hooke's Law, vector decomposition, etc. More to be added as those problems and topics are encountered.
Wednesday, September 23, 2015
3_2_h
If it takes a force of F = 125 lb to pull the nail out, determine the smallest vertical force P that must be applied to the handle of the crowbar. Hint: this requires the moment of F about point A to be equal to the moment of P about A. Why?
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