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Four forces are applied to the machine component ABDE as shown. Replace these forces with an equivalent force-couple system at A.

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

System of Forces

A force is an external influence or agent that changes the state of a system. According to Newton's second law, the force applied to a body is proportional to the change in momentum of a body. Hence, whenever a force is applied to a body, its momentum changes. If the body is at rest, under the action of force, its state of rest changes to motion. In other words, the magnitude of the momentum of the body changes from zero to a measurable value. Similarly, if the body possesses some initial velocity, it has some associated momentum, the effect of force can cause the body to halt or come to rest, that is, the momentum reduces to zero.

Question

250 N
22.
HAPPY
40
-KON
160
100 cam
120N
JOON
250
Four forces are applied to the machine component
ABDE as shown. Replace these forces with an
equivalent force-couple system at A.
After part a above, what would the support
reactions be for equilibrium?

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Step 1: Let us write equivalent force and moment for each of the force and then add using vector addition.

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Step 2: add using vector addition.

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