Reaction Force On Ladder and Wall Case

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SUMMARY

The discussion focuses on the mechanics of a uniform ladder leaning against a smooth vertical wall, specifically addressing the absence of vertical reaction forces. It is established that when analyzing the system, the sum of forces and torque must equal zero, leading to the conclusion that the wall does not exert a vertical force on the ladder due to its smooth surface. The problem is further clarified by referencing similar physics problems and emphasizing the importance of considering all forces acting on the ladder.

PREREQUISITES
  • Understanding of static equilibrium principles
  • Familiarity with torque calculations
  • Knowledge of forces acting on inclined objects
  • Basic concepts of mechanics related to ladders and walls
NEXT STEPS
  • Study the concept of static equilibrium in detail
  • Learn about torque and its applications in mechanics
  • Explore similar problems involving inclined planes and forces
  • Review the implications of smooth surfaces in force interactions
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Students of physics, particularly those studying mechanics, as well as educators and anyone interested in understanding the forces acting on objects in static equilibrium.

e.pramudita
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Homework Statement


https://dl.dropbox.com/u/63664351/Physics/MECH1.PNG


Homework Equations


Sum of Forces and Torque = 0


The Attempt at a Solution


I found similar problem here: http://farside.ph.utexas.edu/teaching/301/lectures/node133.html
Why is there no vertical reaction on a ladder standing on the wall?
 
Last edited by a moderator:
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Why is there no vertical reaction on a ladder standing on the wall?

because...

A uniform ladder of mass and length is leaned against a smooth vertical wall.

PS: In your problem there might be another force "missing" as well.
 

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