-lb force is applied to the wrench handle. The blade is bolted to a bracket attached to the motor shaft O, which protrude the bracket and blade. Determine the normal force at C. State any assumptions. Does it matter whether the bolt at B is

-lb force is applied to the wrench handle. The blade is bolted to a bracket attached to the motor shaft O, which protrude the bracket and blade. Determine the normal force at C. State any assumptions. Does it matter whether the bolt at B is

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Mechanics of Solids

It is the study of the behavior of solid materials, their characteristics under various circumstances such as variation in external forces, temperature, and other internal factors. It is one of most important study in the field of engineering science, especially chemistry and mechanical engineering. In rigid body, the idealization of the solid body in which deformation is neglected. Deformation is known as the force acting on the solid state system which exerts change in its shape of the body but it continues to be at rest or in a uniform motion but it cannot accelerate. But those solid systems do have elasticity, compressibility and can be bent. This field is very vast since there are wide range of materials around us.

Question

A mechanic is reinstalling a newly-sharpened blade on a lawn mower. A wedged-in block of wood at C prevents the blade from rotating
as the 25-lb force is applied to the wrench handle. The blade is bolted to a bracket attached to the motor shaft O, which protrudes
through the bracket and blade. Determine the normal force at C. State any assumptions. Does it matter whether the bolt at B is
installed?
5.5"
25 lb
Answer: Nc= i
2.02.0"
A) ОООВ
-7.5"
C
lb

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