lecture8 - 1 Physics 1D03 - Lecture 8 Newton’s Laws (III)...

Info iconThis preview shows pages 1–2. 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: 1 Physics 1D03 - Lecture 8 Newton’s Laws (III) Newton’s Laws (III) • More Friction • Blocks on ramps, and other 2-D problems Serway and Jewett 5.7, 5.8 Practice Problems : Chapter 5, problems 21, 35, 43, 47, 48, 63 Physics 1D03 - Lecture 7 Friction μ s (“coefficient of static friction”) μ k (“coefficient of kinetic friction”) (“ μ ” is a Greek letter, pronounced “mu” ) Coulomb’s rules are: Static friction: Kinetic friction: n f n f k k s s μ μ = ≤ Physics 1D03 - Lecture 8 A 4-kg physics textbook and a 2-kg physics textbook are both thrown at the same initial speed v and slide across the floor. Which book slides farthest before stopping? Quiz a) The heavy book slides about twice as far. b) The lighter book slides about twice as far. c) Both books slide about the same distance. Physics 1D03 - Lecture 8 Equilibrium • A special case : (object doesn’t move, or moves at constant velocity) • Newton’s second law gives • This is equivalent to three independent component...
View Full Document

This note was uploaded on 11/08/2010 for the course PHYSICS PHYSICS 1D taught by Professor Mckay during the Spring '09 term at McMaster University.

Page1 / 3

lecture8 - 1 Physics 1D03 - Lecture 8 Newton’s Laws (III)...

This preview shows document pages 1 - 2. Sign up to view the full document.

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