Lecture 07

# Lecture 07 - ME 221 Statics Lecture #7 Sections 4.1 4.3...

This preview shows pages 1–8. Sign up to view the full content.

ME221 Lecture 7 1 ME 221 Statics Lecture #7 Sections 4.1 – 4.3

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
ME221 Lecture 7 2 Homework #3 Chapter 3 problems: Chapter 4 problems: Must use integration methods to solve Due Monday, June 7
ME221 Lecture 7 3 Quiz #4 Monday, June 7

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
ME221 Lecture 7 4 Distributed Forces (Loads); The concept of distributed loads will be introduced Center of mass will be discussed as an important application of distributed loading mass, (hence, weight), is distributed throughout a body; we want to find the “balance” point
ME221 Lecture 7 5 Distributed Loads Two types of distributed loads exist: forces that exist throughout the body e. g., gravity acting on mass these are called “body forces” forces arising from contact between two bodies these are called “contact forces”

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
ME221 Lecture 7 6 Contact Distributed Load Snow on roof, tire on road, bearing on race, liquid on container wall, . ..
Lecture 7 7 Center of Gravity x y z w 5 (x 5 ,y 5 ,z 5 ) ˜ ˜ ˜ x y z w 3 (x 3 ,y 3 ,z 3 ) ˜ ˜ ˜ w 1 (x 1 ,y 1 ,z 1 ) ˜ ˜ ˜ w 2 (x 2 ,y 2 ,z 2 ) ˜ ˜ ˜ w 4 (x 4 ,y 4 ,z 4 ) ˜ ˜ ˜ The weights of the n particles comprise a system of parallel forces. We can

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

## This note was uploaded on 07/25/2008 for the course ME 221 taught by Professor Buch during the Summer '08 term at Michigan State University.

### Page1 / 23

Lecture 07 - ME 221 Statics Lecture #7 Sections 4.1 4.3...

This preview shows document pages 1 - 8. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online