The 40-lb ladder AC is leaning on a 10-lb block at B and a frictionles

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SUMMARY

The discussion centers on the equilibrium analysis of a 40-lb ladder leaning against a frictionless corner at point C and resting on a 10-lb block at point B. Participants emphasize the importance of evaluating both the potential for sliding and tipping of the ladder. The initial approach suggests fixing the block to analyze the forces acting on the ladder, which is crucial for determining stability. The conversation encourages the use of free body diagrams to visualize the forces involved in the system.

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  • Basic concepts of frictionless surfaces
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Homework Statement



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/

Homework Equations





The Attempt at a Solution


try to do free body but got stuck
 
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Welcome to PF!

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:
 

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