PHY183-Lecture28 - March 6 2006 Physics for...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon

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

View Full Document Right Arrow Icon

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

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

Unformatted text preview: March 6, 2006 Physics for Scientists&Engineers 1 1 Physics for Scientists & Physics for Scientists & Engineers 1 Engineers 1 Spring Semester 2006 Lecture 28 March 6, 2006 Physics for Scientists&Engineers 1 2 From yesterday From yesterday Center of gravity = point at which we can imagine the gravitational force to act on the object An object can be at rest if its center of gravity is either supported from directly below or suspended from directly above The center of gravity of a system of n masses is defined as 1 1 2 2 1 1 2 ... 1 ... n n n i i i n rm r m r m R rm m m m M = + + + = = + + ! r r r r March 6, 2006 Physics for Scientists&Engineers 1 2 From yesterday From yesterday Center of gravity = point at which we can imagine the gravitational force to act on the object An object can be at rest if its center of gravity is either supported from directly below or suspended from directly above The center of gravity of a system of n masses is defined as 1 1 2 2 1 1 2 ... 1 ... n n n i i i n rm r m r m R rm m m m M = + + + = = + + ! r r r r r March 6, 2006 Physics for Scientists&Engineers 1 3 Calculating the Center of Gravity Calculating the Center of Gravity How do we calculate the center of gravity for an arbitrarily shaped object? We represent the object by small identical cubes Each cube has its own center of gravity and we can calculate the center of gravity of the system of cubes March 6, 2006 Physics for Scientists&Engineers 1 4 Density Distributions and Center of Gravity...
View Full Document

{[ snackBarMessage ]}

Page1 / 16

PHY183-Lecture28 - March 6 2006 Physics for...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online