chapter7.1-7.3_slides

chapter7.1-7.3_slides - 10/11/2009 1 Chapter 7. Rotational...

Info iconThis preview shows pages 1–3. 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 DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 10/11/2009 1 Chapter 7. Rotational motion t t i f 2 2 1 2 2 2 i i i t t t r a r v r s t 2 2 r r v a c • Linear motion: position x changes with respect to time- (linear) displacement: • Rotational motion: Angle changes with respect to time- Angular displacement: • The radian : The radian is a unit of angular measure • The radian can be defined as the arc length s along a circle divided by the radius r Comparing degrees and radians i f x x x i f r s o 3 . 57 2 360 rad 1 o 10/11/2009 2 Rigid body Every point on the object undergoes circular motion about the point O All parts of the object of the body rotate through the same angle during the same time Axis of rotation is the center of the disk Angular displacement Each point on the object undergoes the same angular displacement i f Average angular speed, ω Instantaneous angular speed Average angular acceleration Instantaneous angular acceleration rad/s) : Unit ( t t t i f i f av...
View Full Document

This note was uploaded on 01/02/2010 for the course PHY 101 taught by Professor Pralle during the Spring '08 term at SUNY Buffalo.

Page1 / 7

chapter7.1-7.3_slides - 10/11/2009 1 Chapter 7. Rotational...

This preview shows document pages 1 - 3. Sign up to view the full document.

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