Answered: *6-40. Locate the centroid y of the…

*6-40. Locate the centroid y of the cross-sectional area of the concrete beam. 30 mm 120 mm 270 mm 60 mm y 120 mm ------- 30 mm Prob. 6-40 X

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter8: Centroids And Distributed Loads

Section: Chapter Questions

Problem 8.71P

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Moment of Inertia

Inertia can be termed as a resistance offered by a body to change its state. A rigid body initially at rest will apply resistance when acted by an external force that tends to change its state of rest or velocity, or a body initially at motion will provide resistance in changing its state of velocity or motion for coming to a state of rest. In other words, Newton's first law of motion describes the law of inertia of a rigid body.

Question

*6-40. Locate the centroid y of the cross-sectional area of
the concrete beam.
30 mm +
120 mm
270 mm
60 mm
y
120 mm
30 mm
Prob. 6-40
-X

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Step 2: Expression for centroid ( y co-ordinate)

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Step 3: Explaining the expression for centroid

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Step 4: Calculating the area of each individual component

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Step 5: Calculate the y co-ordinate of individual components

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Step 6: Y co-ordinate of composite figure

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