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wing911
Nov29-09, 08:59 PM
1. The problem statement, all variables and given/known data

The 40-lb ladder AC is leaning on a 10-lb block at B and a frictionless corner at C. Can the system remain at rest in the position shown? Consider both sliding and tipping.
here is the picture of the problem
http://www.flickr.com/photos/19566492@N03/4146098284/

2. Relevant equations



3. The attempt at a solution
try to do free body but got stuck

tiny-tim
Nov30-09, 03:24 PM
Hi wing911! Welcome to PF! :wink:

First assume that the block is fixed, and check whether the ladder will slip.

The check whether the block will slide, then check whether the block will tip over.

Show us what you get. :smile: