Civil Engineering (CE) Exam > Civil Engineering (CE) Notes > Engineering Mechanics > Centre of Gravity for Composite Bodies
Centre of Gravity for Composite Bodies | Engineering Mechanics - Civil Engineering (CE) PDF Download
Locate the center of gravity of the steel machine element. The diameter of each hole is 1 in.
Solution: Form the machine element from a rectangular parallelepiped and a quarter cylinder and then subtracting two 1-in. diameter cylinders.
| Volume,mm3 |  |  |  |  |  |  | |
| I | 70312.5 | 6.25 | -25 | 56.25 | 439,453 | -1,757,813 | 3,955,078 |
| II | 24,553.6 | 33.71 | -21.21 | 6.25 | 827,702 | -520,782 | 153,460 |
| III | -6138.4 | 6.25 | -25 | 87.5 | -38,365 | 153,460 | -537,110 |
| IV | -6138.4 | 6.25 | -25 | 37.5 | -38,365 | 153,460 | 230,190 |
| 82,589.3 | 1190,425 | -1,961,662 | 3,341,238 |
| Shape |  | Volume | |
| Cone |  | h/4 | 1/3 πa2h |
| Pyramid |  | h/4 | 1/3 abh |
| Shape | | Volume | |
| Hemisphere |  | 3a/8 | 2/3πa3 |
| Semiellipsoid of revolution |  | 3h/8 | 2/3πa2h |
| Paraboloid of revolution |  | h/3 | 1/2πa2h |
For the machine element shown, locate the z coordinate of the center of gravity.
| V, in3 |  |  | |
| I | 4*0.75*7=21 | 3.5 | 73.5 |
| II | π/2*22*0.75=4.7124 |  | 36.987 |
| III | -π*1.252*0.75=−3.68 | 7 | -25.76 |
| IV | 1*2*4=8 | 2 | 16 |
| V | −π1.252*1=−2.453 | 2 | -4.906 |
| ∑ | 27.579 | 95.821 |
The document Centre of Gravity for Composite Bodies | Engineering Mechanics - Civil Engineering (CE) is a part of the Civil Engineering (CE) Course Engineering Mechanics.
All you need of Civil Engineering (CE) at this link: Civil Engineering (CE)
|
24 videos|59 docs|53 tests
|
FAQs on Centre of Gravity for Composite Bodies - Engineering Mechanics - Civil Engineering (CE)
| 1. What is the concept of the center of gravity for composite bodies? |  |
Ans. The concept of the center of gravity for composite bodies is the calculation of the average position of the weight distribution in a complex object or system. It takes into account the individual center of gravity of each component and their respective masses to determine the overall center of gravity.
| 2. How is the center of gravity determined for composite bodies? | |
Ans. The center of gravity for composite bodies is determined by dividing the sum of the moments of each component's mass by the total mass of the system. The moment of a mass is calculated by multiplying its mass by the distance between its center of gravity and the reference point.
| 3. Can the center of gravity be outside the physical boundaries of a composite body? | |
Ans. Yes, the center of gravity can be outside the physical boundaries of a composite body. This occurs when the individual components have different masses and are positioned in such a way that the resultant center of gravity is located outside the body. It is important to consider this in order to ensure stability and balance in the system.
| 4. How does the center of gravity affect the stability of a composite body? | |
Ans. The center of gravity plays a crucial role in determining the stability of a composite body. If the center of gravity is located within the base of support, the body will be stable. However, if the center of gravity is outside the base of support, the body will be unstable and prone to tipping or toppling over.
| 5. What are the practical applications of understanding the center of gravity for composite bodies? | |
Ans. Understanding the center of gravity for composite bodies has various practical applications. It is essential in designing stable structures, such as buildings and bridges, to ensure they can withstand external forces without collapsing. It is also important in fields like engineering, sports, and transportation, where stability and balance are critical factors for performance and safety.
Related Exams
About this Document
|
4.83/5 Rating |
|
Nov 21, 2024 Last updated |
Document Description: Centre of Gravity for Composite Bodies for Civil Engineering (CE) 2024 is part of Engineering Mechanics preparation.
The notes and questions for Centre of Gravity for Composite Bodies have been prepared according to the Civil Engineering (CE) exam syllabus. Information about Centre of Gravity for Composite Bodies covers topics
like and Centre of Gravity for Composite Bodies Example, for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for Centre of Gravity for Composite Bodies.
Introduction of Centre of Gravity for Composite Bodies in English is available as part of our Engineering Mechanics
for Civil Engineering (CE) & Centre of Gravity for Composite Bodies in Hindi for Engineering Mechanics course.
Download more important topics related with notes, lectures and mock test series for Civil Engineering (CE)
Exam by signing up for free. Civil Engineering (CE): Centre of Gravity for Composite Bodies | Engineering Mechanics - Civil Engineering (CE)
Description
Full syllabus notes, lecture & questions for Centre of Gravity for Composite Bodies | Engineering Mechanics - Civil Engineering (CE) - Civil Engineering (CE) | Plus excerises question with solution to help you revise complete syllabus for Engineering Mechanics | Best notes, free PDF download
Information about Centre of Gravity for Composite Bodies
In this doc you can find the meaning of Centre of Gravity for Composite Bodies defined & explained in the simplest way possible. Besides explaining types of
Centre of Gravity for Composite Bodies theory, EduRev gives you an ample number of questions to practice Centre of Gravity for Composite Bodies tests, examples and also practice Civil Engineering (CE)
tests
|
Explore Courses for Civil Engineering (CE) exam
|
|
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
Related Searches
shortcuts and tricks
,Centre of Gravity for Composite Bodies | Engineering Mechanics - Civil Engineering (CE)
,Exam
,Extra Questions
,Previous Year Questions with Solutions
,study material
,mock tests for examination
,Viva Questions
,ppt
,Summary
,Sample Paper
,Semester Notes
,Objective type Questions
,Centre of Gravity for Composite Bodies | Engineering Mechanics - Civil Engineering (CE)
,practice quizzes
,Centre of Gravity for Composite Bodies | Engineering Mechanics - Civil Engineering (CE)
,Free
,video lectures
,past year papers
,MCQs
,Important questions
;
Additional Information about Centre of Gravity for Composite Bodies for Civil Engineering (CE) Preparation
Centre of Gravity for Composite Bodies Free PDF Download
The Centre of Gravity for Composite Bodies is an invaluable resource that delves deep into the core of the Civil Engineering (CE) exam.
These study notes are curated by experts and cover all the essential topics and concepts, making your preparation more efficient and effective.
With the help of these notes, you can grasp complex subjects quickly, revise important points easily,
and reinforce your understanding of key concepts. The study notes are presented in a concise and easy-to-understand manner,
allowing you to optimize your learning process. Whether you're looking for best-recommended books, sample papers, study material,
or toppers' notes, this PDF has got you covered. Download the Centre of Gravity for Composite Bodies now and kickstart your journey towards success in the Civil Engineering (CE) exam.
Importance of Centre of Gravity for Composite Bodies
The importance of Centre of Gravity for Composite Bodies cannot be overstated, especially for Civil Engineering (CE) aspirants.
This document holds the key to success in the Civil Engineering (CE) exam.
It offers a detailed understanding of the concept, providing invaluable insights into the topic.
By knowing the concepts well in advance, students can plan their preparation effectively.
Utilize this indispensable guide for a well-rounded preparation and achieve your desired results.
Centre of Gravity for Composite Bodies Notes
Centre of Gravity for Composite Bodies Notes offer in-depth insights into the specific topic to help you master it with ease.
This comprehensive document covers all aspects related to Centre of Gravity for Composite Bodies.
It includes detailed information about the exam syllabus, recommended books, and study materials for a well-rounded preparation.
Practice papers and question papers enable you to assess your progress effectively.
Additionally, the paper analysis provides valuable tips for tackling the exam strategically.
Access to Toppers' notes gives you an edge in understanding complex concepts.
Whether you're a beginner or aiming for advanced proficiency, Centre of Gravity for Composite Bodies Notes on EduRev are your ultimate resource for success.
Centre of Gravity for Composite Bodies Civil Engineering (CE) Questions
The "Centre of Gravity for Composite Bodies Civil Engineering (CE) Questions" guide is a valuable resource for all aspiring students preparing for the
Civil Engineering (CE) exam. It focuses on providing a wide range of practice questions to help students gauge
their understanding of the exam topics. These questions cover the entire syllabus, ensuring comprehensive preparation.
The guide includes previous years' question papers for students to familiarize themselves with the exam's format and difficulty level.
Additionally, it offers subject-specific question banks, allowing students to focus on weak areas and improve their performance.
Study Centre of Gravity for Composite Bodies on the App
Students of Civil Engineering (CE) can study Centre of Gravity for Composite Bodies alongwith tests & analysis from the EduRev app,
which will help them while preparing for their exam. Apart from the Centre of Gravity for Composite Bodies,
students can also utilize the EduRev App for other study materials such as previous year question papers, syllabus, important questions, etc.
The EduRev App will make your learning easier as you can access it from anywhere you want.
The content of Centre of Gravity for Composite Bodies is prepared as per the latest Civil Engineering (CE) syllabus.
|
© EduRev
|
Education Revolution
|
Follow Us
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup