11. Rotational Motion 11. Rotasiebeweging
|
|
|
- Logan Edwards
- 6 years ago
- Views:
Transcription
1 Rotation Transparencies.doc:. Rotational Kinematics 3/05/0 :57:00. Rotational Motion. Rotasiebeweging. Rotational Kinematics (HRW 0- to 0-5) Rotational variables. Rotasiekinematika (HRW 0- tot 0-5) Rotasieveranderlikes Angular position (always in radians!) θ θ ( t) θ s r Hoekposisie (altyd in radiaal!) Angular displacement [rad] θ θ θ Hoekverplasing [rad] Angular velocity [rad/s] dθ ( t) ω ( t) Hoeksnelheid [rad/s] Angular acceleration [rad/s ] dω( t) α ( t) Hoekversnelling [rad/s ] Rotation Transparencies.doc:. Rotational Kinematics 3/05/0 :57:00
2 Rotation Transparencies.doc:. Rotasiekinematika 3/05/0 :57:00 Relating linear and angular variables Verband tussen liniëre en hoekveranderlikes Position s rθ Posisie Speed ds dθ v r rω Spoed Tangential acceleration dv dω at r α r Raaklynige versnelling Radial acceleration (centripetal acceleration) a a v r r centripetal / Radiale versnelling (sentripetale versnelling) Rotation Transparencies.doc:. Rotasiekinematika 3/05/0 :57:00
3 Rotation Transparencies.doc:. Kinetic energy and moment of intertia 3 3/05/0 :57:00. Kinetic energy and moment of intertia (HRW 0-6, 0-7). Kinetiese energie en traagheidsmoment (HRW 0-6, 0-7) Kinetic energy of a rotating body Kinetiese energie van n roterende liggaam K m v + m v + m v m v i i m ( ωr ) i miri ω i K Iω, I m r i i Rotational inertia (Moment of inertia) Point masses Continuous body I I Traagheidsmoment m r Puntmassas i i r dm Kontinue liggaam Parallel-axis theorem I I Mh CM + Parallel-as-stelling Rotation Transparencies.doc:. Kinetic energy and moment of intertia 3 3/05/0 :57:00
4 Rotation Transparencies.doc:. Kinetiese energie en traagheidsmoment 4 3/05/0 :57:00 Some rotational inertia n Aantal traagheidsmomente Rotation Transparencies.doc:. Kinetiese energie en traagheidsmoment 4 3/05/0 :57:00
5 Rotation Transparencies.doc:.3 Torque and Newton s 5 3/05/0 :57:00.3 Torque and Newton s second law (HRW 0-8, 0-9).3 Draaimoment en Newton se tweede wet (HRW 0-8, 0-9) Torque Draaimoment (wringkrag) Torque τ rf sinφ Draaimoment / Wringkrag Newton s second law τ Iα Newton se tweede wet Rotation Transparencies.doc:.3 Torque and Newton s 5 3/05/0 :57:00
6 Rotation Transparencies.doc:.4 Work and kinetic energy 6 3/05/0 :57:00.4 Work and kinetic energy (HRW 0-0).4 Arbeid en kinetiese energie (HRW 0-0) Work done by a torque Arbeid deur n wringkrag verrig Work done by a torque W θ τ θ f d Arbeid deur n wringkrag verrig θi For a constant torque W τ ( θ θ ) Vir n konstante wringkrag f Work kinetic energy theorem K W Arbeid kinetiese energie-stelling i Power dw P τω Drywing Rotation Transparencies.doc:.4 Work and kinetic energy 6 3/05/0 :57:00
7 Rotation Transparencies.doc:.5 Rolling 7 3/05/0 :57:00.5 Rolling (HRW - to -5).5 Rolbeweging (HRW - tot -5) vcom ωr Kinetic energy of rolling Kinetiese energie van n rollende voorwerp K I ω + Mv com com Rotation Transparencies.doc:.5 Rolling 7 3/05/0 :57:00
8 Rotation Transparencies.doc:.6 Conservation of angular momentum 8 3/05/0 :57:00.6 Conservation of angular momentum (HRW -6 to -).6 Behoud van hoekmomentum (HRW -6 tot -) Vector product (cross product) (HRW 3-7) Vektorproduk (kruisproduk) (HRW 3-7) c a b c absinθ, direction given by right hand rule note that a b b a Cross product is usually calculated using determinants. Angular variables as vectors Hoekveranderlikes as vektore ω α Torque / Draaimoment: τ r F Newton II: τ Iα [ τ rf sin φ] (Note: θ can not be represented by a vector.) Rotation Transparencies.doc:.6 Conservation of angular momentum 8 3/05/0 :57:00
9 Rotation Transparencies.doc:.6 Behoud van hoekmomentum 9 3/05/0 :57:00 Angular momentum Hoekmomentum (draaimomentum) Angular momentum defined for a particle l r p mr v Hoekmomentum van n enkele deeltjie Angular momentum for a system of particles L l Hoekmomentum van n stelsel van deeltjies Angular momentum for a rigid body L Iω Hoekmomentum vir n starre liggaam Newton s law in terms of angular momentum τ d L Newton se wet i.t.v. hoekmomentum Conservation of angular momentum If the net torque acting on a system is zero, the angular momentum of the system remains constant, i.e. L f Li. Behoud van hoekmomentum As daar geen netto wringkrag op n stelsel is nie, bly die hoekmomentum van die stelsel konstant, d.w.s. L f Li. Rotation Transparencies.doc:.6 Behoud van hoekmomentum 9 3/05/0 :57:00
10 Rotation Transparencies.doc: Summary: Comparison between linear and rotational motion 0 3/05/0 :57:00 Summary: Comparison between linear and rotational motion Opsomming: Vergelyking tussen lineêre en rotasiebeweging Linear kinematics Lineêre kinematika x θ s rθ v a dx dv dθ ω v rω dω α at rα, [ α s rω v / r ] Energy and momentum K W mv K Iω F x W τ θ Energie en momentum I miri r dm [ τ rf sinφ ] F ma τ Iα p mv L Iω F dp τ dl Rotation Transparencies.doc: Summary: Comparison between linear and rotational motion 0 3/05/0 :57:00
11 Rotation Transparencies.doc:.7 Equilibrium (HRW - to -5) 3/05/0 :57:00.7 Equilibrium (HRW - to -5).7 Ewewig (HRW - tot -5) Requirements for equilibrium Voorwaardes vir ewewig F net 0 τ 0 Rotation Transparencies.doc:.7 Equilibrium (HRW - to -5) 3/05/0 :57:00
Chapter 10. Rotation of a Rigid Object about a Fixed Axis
Chapter 10 Rotation of a Rigid Object about a Fixed Axis Angular Position Axis of rotation is the center of the disc Choose a fixed reference line. Point P is at a fixed distance r from the origin. A small
Physics 201. Professor P. Q. Hung. 311B, Physics Building. Physics 201 p. 1/1
Physics 201 p. 1/1 Physics 201 Professor P. Q. Hung 311B, Physics Building Physics 201 p. 2/1 Rotational Kinematics and Energy Rotational Kinetic Energy, Moment of Inertia All elements inside the rigid
Circular Motion, Pt 2: Angular Dynamics. Mr. Velazquez AP/Honors Physics
Circular Motion, Pt 2: Angular Dynamics Mr. Velazquez AP/Honors Physics Formulas: Angular Kinematics (θ must be in radians): s = rθ Arc Length 360 = 2π rads = 1 rev ω = θ t = v t r Angular Velocity α av
PH 221-3A Fall 2009 ROTATION. Lectures Chapter 10 (Halliday/Resnick/Walker, Fundamentals of Physics 8 th edition)
PH 1-3A Fall 009 ROTATION Lectures 16-17 Chapter 10 (Halliday/Resnick/Walker, Fundamentals of Physics 8 th edition) 1 Chapter 10 Rotation In this chapter we will study the rotational motion of rigid bodies
Rotation. Rotational Variables
Rotation Rigid Bodies Rotation variables Constant angular acceleration Rotational KE Rotational Inertia Rotational Variables Rotation of a rigid body About a fixed rotation axis. Rigid Body an object that
Handout 7: Torque, angular momentum, rotational kinetic energy and rolling motion. Torque and angular momentum
Handout 7: Torque, angular momentum, rotational kinetic energy and rolling motion Torque and angular momentum In Figure, in order to turn a rod about a fixed hinge at one end, a force F is applied at a
ω = 0 a = 0 = α P = constant L = constant dt = 0 = d Equilibrium when: τ i = 0 τ net τ i Static Equilibrium when: F z = 0 F net = F i = ma = d P
Equilibrium when: F net = F i τ net = τ i a = 0 = α dp = 0 = d L = ma = d P = 0 = I α = d L = 0 P = constant L = constant F x = 0 τ i = 0 F y = 0 F z = 0 Static Equilibrium when: P = 0 L = 0 v com = 0
Physics Fall Mechanics, Thermodynamics, Waves, Fluids. Lecture 20: Rotational Motion. Slide 20-1
Physics 1501 Fall 2008 Mechanics, Thermodynamics, Waves, Fluids Lecture 20: Rotational Motion Slide 20-1 Recap: center of mass, linear momentum A composite system behaves as though its mass is concentrated
Handout 6: Rotational motion and moment of inertia. Angular velocity and angular acceleration
1 Handout 6: Rotational motion and moment of inertia Angular velocity and angular acceleration In Figure 1, a particle b is rotating about an axis along a circular path with radius r. The radius sweeps
Angular Displacement. θ i. 1rev = 360 = 2π rads. = "angular displacement" Δθ = θ f. π = circumference. diameter
Rotational Motion Angular Displacement π = circumference diameter π = circumference 2 radius circumference = 2πr Arc length s = rθ, (where θ in radians) θ 1rev = 360 = 2π rads Δθ = θ f θ i = "angular displacement"
Slide 1 / 37. Rotational Motion
Slide 1 / 37 Rotational Motion Slide 2 / 37 Angular Quantities An angle θ can be given by: where r is the radius and l is the arc length. This gives θ in radians. There are 360 in a circle or 2π radians.
Physics 121. March 18, Physics 121. March 18, Course Announcements. Course Information. Topics to be discussed today:
Physics 121. March 18, 2008. Physics 121. March 18, 2008. Course Information Topics to be discussed today: Variables used to describe rotational motion The equations of motion for rotational motion Course
Chapter 10: Rotation. Chapter 10: Rotation
Chapter 10: Rotation Change in Syllabus: Only Chapter 10 problems (CH10: 04, 27, 67) are due on Thursday, Oct. 14. The Chapter 11 problems (Ch11: 06, 37, 50) will be due on Thursday, Oct. 21 in addition
CIRCULAR MOTION AND ROTATION
1. UNIFORM CIRCULAR MOTION So far we have learned a great deal about linear motion. This section addresses rotational motion. The simplest kind of rotational motion is an object moving in a perfect circle
Kinematics (special case) Dynamics gravity, tension, elastic, normal, friction. Energy: kinetic, potential gravity, spring + work (friction)
Kinematics (special case) a = constant 1D motion 2D projectile Uniform circular Dynamics gravity, tension, elastic, normal, friction Motion with a = constant Newton s Laws F = m a F 12 = F 21 Time & Position
Rotational Motion and Torque
Rotational Motion and Torque Introduction to Angular Quantities Sections 8- to 8-2 Introduction Rotational motion deals with spinning objects, or objects rotating around some point. Rotational motion is
E = K + U. p mv. p i = p f. F dt = p. J t 1. a r = v2. F c = m v2. s = rθ. a t = rα. r 2 dm i. m i r 2 i. I ring = MR 2.
v = v i + at x = x i + v i t + 1 2 at2 E = K + U p mv p i = p f L r p = Iω τ r F = rf sin θ v 2 = v 2 i + 2a x F = ma = dp dt = U v dx dt a dv dt = d2 x dt 2 A circle = πr 2 A sphere = 4πr 2 V sphere =
DEVIL PHYSICS BADDEST CLASS ON CAMPUS IB PHYSICS
DEVIL PHYSICS BADDEST CLASS ON CAMPUS IB PHYSICS OPTION B-1A: ROTATIONAL DYNAMICS Essential Idea: The basic laws of mechanics have an extension when equivalent principles are applied to rotation. Actual
Chap10. Rotation of a Rigid Object about a Fixed Axis
Chap10. Rotation of a Rigid Object about a Fixed Axis Level : AP Physics Teacher : Kim 10.1 Angular Displacement, Velocity, and Acceleration - A rigid object rotating about a fixed axis through O perpendicular
Two-Dimensional Rotational Kinematics
Two-Dimensional Rotational Kinematics Rigid Bodies A rigid body is an extended object in which the distance between any two points in the object is constant in time. Springs or human bodies are non-rigid
Chapter 10: Rotation
Chapter 10: Rotation Review of translational motion (motion along a straight line) Position x Displacement x Velocity v = dx/dt Acceleration a = dv/dt Mass m Newton s second law F = ma Work W = Fdcosφ
We define angular displacement, θ, and angular velocity, ω. What's a radian?
We define angular displacement, θ, and angular velocity, ω Units: θ = rad ω = rad/s What's a radian? Radian is the ratio between the length of an arc and its radius note: counterclockwise is + clockwise
Harold s AP Physics Cheat Sheet 23 February Electricity / Magnetism
Harold s AP Physics Cheat Sheet 23 February 206 Kinematics Position (m) (rad) Translation Horizontal: x = x 0 + v x0 t + 2 at2 Vertical: y = y 0 + v y0 t 2 gt2 x = x 0 + vt s = rθ x = v / Rotational Motion
Chapter 8- Rotational Kinematics Angular Variables Kinematic Equations
Chapter 8- Rotational Kinematics Angular Variables Kinematic Equations Chapter 9- Rotational Dynamics Torque Center of Gravity Newton s 2 nd Law- Angular Rotational Work & Energy Angular Momentum Angular
Physics 4A Solutions to Chapter 10 Homework
Physics 4A Solutions to Chapter 0 Homework Chapter 0 Questions: 4, 6, 8 Exercises & Problems 6, 3, 6, 4, 45, 5, 5, 7, 8 Answers to Questions: Q 0-4 (a) positive (b) zero (c) negative (d) negative Q 0-6
LECTURE 1- ROTATION. Phys 124H- Honors Analytical Physics IB Chapter 10 Professor Noronha-Hostler
LECTURE 1- ROTATION Phys 124H- Honors Analytical Physics IB Chapter 10 Professor Noronha-Hostler CLASS MATERIALS Your Attention (but attendance is OPTIONAL) i-clicker OPTIONAL- EXTRA CREDIT ONLY Homework
Chapters 10 & 11: Rotational Dynamics Thursday March 8 th
Chapters 10 & 11: Rotational Dynamics Thursday March 8 th Review of rotational kinematics equations Review and more on rotational inertia Rolling motion as rotation and translation Rotational kinetic energy
Conservation of Angular Momentum
Physics 101 Section 3 March 3 rd : Ch. 10 Announcements: Monday s Review Posted (in Plummer s section (4) Today start Ch. 10. Next Quiz will be next week Test# (Ch. 7-9) will be at 6 PM, March 3, Lockett-6
14. Rotational Kinematics and Moment of Inertia
14. Rotational Kinematics and Moment of nertia A) Overview n this unit we will introduce rotational motion. n particular, we will introduce the angular kinematic variables that are used to describe the
Chapter 10.A. Rotation of Rigid Bodies
Chapter 10.A Rotation of Rigid Bodies P. Lam 7_23_2018 Learning Goals for Chapter 10.1 Understand the equations govern rotational kinematics, and know how to apply them. Understand the physical meanings
Chapter 8. Rotational Equilibrium and Rotational Dynamics
Chapter 8 Rotational Equilibrium and Rotational Dynamics Wrench Demo Torque Torque, τ, is the tendency of a force to rotate an object about some axis τ = Fd F is the force d is the lever arm (or moment
Angular Motion, General Notes
Angular Motion, General Notes! When a rigid object rotates about a fixed axis in a given time interval, every portion on the object rotates through the same angle in a given time interval and has the same
Lecture II: Rigid-Body Physics
Rigid-Body Motion Previously: Point dimensionless objects moving through a trajectory. Today: Objects with dimensions, moving as one piece. 2 Rigid-Body Kinematics Objects as sets of points. Relative distances
Angular velocity and angular acceleration CHAPTER 9 ROTATION. Angular velocity and angular acceleration. ! equations of rotational motion
Angular velocity and angular acceleration CHAPTER 9 ROTATION! r i ds i dθ θ i Angular velocity and angular acceleration! equations of rotational motion Torque and Moment of Inertia! Newton s nd Law for
Chapter 12: Rotation of Rigid Bodies. Center of Mass Moment of Inertia Torque Angular Momentum Rolling Statics
Chapter 1: Rotation of Rigid Bodies Center of Mass Moment of Inertia Torque Angular Momentum Rolling Statics Translational vs Rotational / / 1/ m x v dx dt a dv dt F ma p mv KE mv Work Fd P Fv / / 1/ I
Dynamics of Rotational Motion
Chapter 10 Dynamics of Rotational Motion To understand the concept of torque. To relate angular acceleration and torque. To work and power in rotational motion. To understand angular momentum. To understand
Motion Part 4: Projectile Motion
Motion Part 4: Projectile Motion Last modified: 28/03/2017 CONTENTS Projectile Motion Uniform Motion Equations Projectile Motion Equations Trajectory How to Approach Problems Example 1 Example 2 Example
If rigid body = few particles I = m i. If rigid body = too-many-to-count particles I = I COM. KE rot. = 1 2 Iω 2
2 If rigid body = few particles I = m i r i If rigid body = too-many-to-count particles Sum Integral Parallel Axis Theorem I = I COM + Mh 2 Energy of rota,onal mo,on KE rot = 1 2 Iω 2 [ KE trans = 1 2
General Definition of Torque, final. Lever Arm. General Definition of Torque 7/29/2010. Units of Chapter 10
Units of Chapter 10 Determining Moments of Inertia Rotational Kinetic Energy Rotational Plus Translational Motion; Rolling Why Does a Rolling Sphere Slow Down? General Definition of Torque, final Taking
ω = ω 0 θ = θ + ω 0 t αt ( ) Rota%onal Kinema%cs: ( ONLY IF α = constant) v = ω r ω ω r s = θ r v = d θ dt r = ω r + a r = a a tot + a t = a r
θ (t) ( θ 1 ) Δ θ = θ 2 s = θ r ω (t) = d θ (t) dt v = d θ dt r = ω r v = ω r α (t) = d ω (t) dt = d 2 θ (t) dt 2 a tot 2 = a r 2 + a t 2 = ω 2 r 2 + αr 2 a tot = a t + a r = a r ω ω r a t = α r ( ) Rota%onal
DYNAMICS OF RIGID BODIES
DYNAMICS OF RIGID BODIES Measuring angles in radian Define the value of an angle θ in radian as θ = s r, or arc length s = rθ a pure number, without dimension independent of radius r of the circle one
Department of Physics
Department of Physics PHYS101-051 FINAL EXAM Test Code: 100 Tuesday, 4 January 006 in Building 54 Exam Duration: 3 hrs (from 1:30pm to 3:30pm) Name: Student Number: Section Number: Page 1 1. A car starts
Work - kinetic energy theorem for rotational motion *
OpenStax-CNX module: m14307 1 Work - kinetic energy theorem for rotational motion * Sunil Kumar Singh This work is produced by OpenStax-CNX and licensed under the Creative Commons Attribution License 2.0
Momentum. The way to catch a knuckleball is to wait until it stops rolling and then pick it up. -Bob Uecker
Chapter 11 -, Chapter 11 -, Angular The way to catch a knuckleball is to wait until it stops rolling and then pick it up. -Bob Uecker David J. Starling Penn State Hazleton PHYS 211 Chapter 11 -, motion
I 2 comω 2 + Rolling translational+rotational. a com. L sinθ = h. 1 tot. smooth rolling a com =αr & v com =ωr
Rolling translational+rotational smooth rolling a com =αr & v com =ωr Equations of motion from: - Force/torque -> a and α - Energy -> v and ω 1 I 2 comω 2 + 1 Mv 2 = KE 2 com tot a com KE tot = KE trans
Lab 9 - Rotational Dynamics
145 Name Date Partners Lab 9 - Rotational Dynamics OBJECTIVES To study angular motion including angular velocity and angular acceleration. To relate rotational inertia to angular motion. To determine kinetic
Chapter 8 Lecture Notes
Chapter 8 Lecture Notes Physics 2414 - Strauss Formulas: v = l / t = r θ / t = rω a T = v / t = r ω / t =rα a C = v 2 /r = ω 2 r ω = ω 0 + αt θ = ω 0 t +(1/2)αt 2 θ = (1/2)(ω 0 +ω)t ω 2 = ω 0 2 +2αθ τ
Rotational Dynamics continued
Chapter 9 Rotational Dynamics continued 9.4 Newton s Second Law for Rotational Motion About a Fixed Axis ROTATIONAL ANALOG OF NEWTON S SECOND LAW FOR A RIGID BODY ROTATING ABOUT A FIXED AXIS I = ( mr 2
Fundamentals Physics. Chapter 10 Rotation
Fundamentals Physics Tenth Edition Halliday Chapter 10 Rotation 10-1 Rotational Variables (1 of 15) Learning Objectives 10.01 Identify that if all parts of a body rotate around a fixed axis locked together,
Q1. For a completely inelastic two-body collision the kinetic energy of the objects after the collision is the same as:
Coordinator: Dr.. Naqvi Monday, January 05, 015 Page: 1 Q1. For a completely inelastic two-body collision the kinetic energy of the objects after the collision is the same as: ) (1/) MV, where M is the
Rolling without slipping Angular Momentum Conservation of Angular Momentum. Physics 201: Lecture 19, Pg 1
Physics 131: Lecture Today s Agenda Rolling without slipping Angular Momentum Conservation o Angular Momentum Physics 01: Lecture 19, Pg 1 Rolling Without Slipping Rolling is a combination o rotation and
Relating Translational and Rotational Variables
Relating Translational and Rotational Variables Rotational position and distance moved s = θ r (only radian units) Rotational and translational speed d s v = dt v = ω r = ds dt = d θ dt r Relating period
Momentum Circular Motion and Gravitation Rotational Motion Fluid Mechanics
Momentum Circular Motion and Gravitation Rotational Motion Fluid Mechanics Momentum Momentum Collisions between objects can be evaluated using the laws of conservation of energy and of momentum. Momentum
Lecture 7 Chapter 10,11
Lecture 7 Chapter 10,11 Rotation, Inertia, Rolling, Torque, and Angular momentum Demo Demos Summary of Concepts to Cover from chapter 10 Rotation Rotating cylinder with string wrapped around it: example
Translational vs Rotational. m x. Connection Δ = = = = = = Δ = = = = = = Δ =Δ = = = = = 2 / 1/2. Work
Translational vs Rotational / / 1/ Δ m x v dx dt a dv dt F ma p mv KE mv Work Fd / / 1/ θ ω θ α ω τ α ω ω τθ Δ I d dt d dt I L I KE I Work / θ ω α τ Δ Δ c t s r v r a v r a r Fr L pr Connection Translational
Rotation. Kinematics Rigid Bodies Kinetic Energy. Torque Rolling. featuring moments of Inertia
Rotation Kinematics Rigid Bodies Kinetic Energy featuring moments of Inertia Torque Rolling Angular Motion We think about rotation in the same basic way we do about linear motion How far does it go? How
Lecture 13 REVIEW. Physics 106 Spring What should we know? What should we know? Newton s Laws
Lecture 13 REVIEW Physics 106 Spring 2006 http://web.njit.edu/~sirenko/ What should we know? Vectors addition, subtraction, scalar and vector multiplication Trigonometric functions sinθ, cos θ, tan θ,
Physics 141. Lecture 18. Frank L. H. Wolfs Department of Physics and Astronomy, University of Rochester, Lecture 18, Page 1
Physics 141. Lecture 18. Frank L. H. Wolfs Department of Physics and Astronomy, University of Rochester, Lecture 18, Page 1 Physics 141. Lecture 18. Course Information. Topics to be discussed today: A
Chapter 13: Oscillatory Motions
Chapter 13: Oscillatory Motions Simple harmonic motion Spring and Hooe s law When a mass hanging from a spring and in equilibrium, the Newton s nd law says: Fy ma Fs Fg 0 Fs Fg This means the force due
Final Exam. June 10, 2008, 1:00pm
PHYSICS 101: Fundamentals of Physics Final Exam Final Exam Name TA/ Section # June 10, 2008, 1:00pm Recitation Time You have 2 hour to complete the exam. Please answer all questions clearly and completely,
Uniform Circular Motion
Uniform Circular Motion Motion in a circle at constant angular speed. ω: angular velocity (rad/s) Rotation Angle The rotation angle is the ratio of arc length to radius of curvature. For a given angle,
Physics 121, March 25, Rotational Motion and Angular Momentum. Department of Physics and Astronomy, University of Rochester
Physics 121, March 25, 2008. Rotational Motion and Angular Momentum. Physics 121. March 25, 2008. Course Information Topics to be discussed today: Review of Rotational Motion Rolling Motion Angular Momentum
Rotational Kinematics and Dynamics. UCVTS AIT Physics
Rotational Kinematics and Dynamics UCVTS AIT Physics Angular Position Axis of rotation is the center of the disc Choose a fixed reference line Point P is at a fixed distance r from the origin Angular Position,
Rotation Angular Momentum
Rotation Angular Momentum Lana Sheridan De Anza College Nov 28, 2017 Last time rolling motion Overview Definition of angular momentum relation to Newton s 2nd law angular impulse angular momentum of rigid
Uniform Circular Motion:-Circular motion is said to the uniform if the speed of the particle (along the circular path) remains constant.
Circular Motion:- Uniform Circular Motion:-Circular motion is said to the uniform if the speed of the particle (along the circular path) remains constant. Angular Displacement:- Scalar form:-?s = r?θ Vector
Chapter 10. Rotation
Chapter 10 Rotation Rotation Rotational Kinematics: Angular velocity and Angular Acceleration Rotational Kinetic Energy Moment of Inertia Newton s nd Law for Rotation Applications MFMcGraw-PHY 45 Chap_10Ha-Rotation-Revised
Forces of Rolling. 1) Ifobjectisrollingwith a com =0 (i.e.no netforces), then v com =ωr = constant (smooth roll)
Physics 2101 Section 3 March 12 rd : Ch. 10 Announcements: Mid-grades posted in PAW Quiz today I will be at the March APS meeting the week of 15-19 th. Prof. Rich Kurtz will help me. Class Website: http://www.phys.lsu.edu/classes/spring2010/phys2101-3/
Write your name legibly on the top right hand corner of this paper
NAME Phys 631 Summer 2007 Quiz 2 Tuesday July 24, 2007 Instructor R. A. Lindgren 9:00 am 12:00 am Write your name legibly on the top right hand corner of this paper No Books or Notes allowed Calculator
Lectures. Today: Rolling and Angular Momentum in ch 12. Complete angular momentum (chapter 12) and begin equilibrium (chapter 13)
Lectures Today: Rolling and Angular Momentum in ch 1 Homework 6 due Next time: Complete angular momentum (chapter 1) and begin equilibrium (chapter 13) By Monday, will post at website Sample midterm II
Chapter 10 Rotational Kinematics and Energy. Copyright 2010 Pearson Education, Inc.
Chapter 10 Rotational Kinematics and Energy 10-1 Angular Position, Velocity, and Acceleration 10-1 Angular Position, Velocity, and Acceleration Degrees and revolutions: 10-1 Angular Position, Velocity,
Physics 2A Chapter 10 - Rotational Motion Fall 2018
Physics A Chapter 10 - Rotational Motion Fall 018 These notes are five pages. A quick summary: The concepts of rotational motion are a direct mirror image of the same concepts in linear motion. Follow
Tute M4 : ROTATIONAL MOTION 1
Tute M4 : ROTATIONAL MOTION 1 The equations dealing with rotational motion are identical to those of linear motion in their mathematical form. To convert equations for linear motion to those for rotational
Chapter 8. Rotational Motion
Chapter 8 Rotational Motion Rotational Work and Energy W = Fs = s = rθ Frθ Consider the work done in rotating a wheel with a tangential force, F, by an angle θ. τ = Fr W =τθ Rotational Work and Energy
Rotational kinematics
Rotational kinematics Suppose you cut a circle out of a piece of paper and then several pieces of string which are just as long as the radius of the paper circle. If you then begin to lay these pieces
Torque and Rotation Lecture 7
Torque and Rotation Lecture 7 ˆ In this lecture we finally move beyond a simple particle in our mechanical analysis of motion. ˆ Now we consider the so-called rigid body. Essentially, a particle with extension
1.1. Rotational Kinematics Description Of Motion Of A Rotating Body
PHY 19- PHYSICS III 1. Moment Of Inertia 1.1. Rotational Kinematics Description Of Motion Of A Rotating Body 1.1.1. Linear Kinematics Consider the case of linear kinematics; it concerns the description
Rotational & Rigid-Body Mechanics. Lectures 3+4
Rotational & Rigid-Body Mechanics Lectures 3+4 Rotational Motion So far: point objects moving through a trajectory. Next: moving actual dimensional objects and rotating them. 2 Circular Motion - Definitions
a +3bt 2 4ct 3) =6bt 12ct 2. dt 2. (a) The second hand of the smoothly running watch turns through 2π radians during 60 s. Thus,
1. a) Eq. 11-6 leads to ω d at + bt 3 ct 4) a +3bt 4ct 3. dt b) And Eq. 11-8 gives α d a +3bt 4ct 3) 6bt 1ct. dt. a) The second hand of the smoothly running watch turns through π radians during 60 s. Thus,
particle p = m v F ext = d P = M d v cm dt
Lecture 11: Momentum and Collisions; Introduction to Rotation 1 REVIEW: (Chapter 8) LINEAR MOMENTUM and COLLISIONS The first new physical quantity introduced in Chapter 8 is Linear Momentum Linear Momentum
Angular Momentum. Objectives CONSERVATION OF ANGULAR MOMENTUM
Angular Momentum CONSERVATION OF ANGULAR MOMENTUM Objectives Calculate the angular momentum vector for a moving particle Calculate the angular momentum vector for a rotating rigid object where angular
Chapter 8 continued. Rotational Dynamics
Chapter 8 continued Rotational Dynamics 8.4 Rotational Work and Energy Work to accelerate a mass rotating it by angle φ F W = F(cosθ)x x = s = rφ = Frφ Fr = τ (torque) = τφ r φ s F to s θ = 0 DEFINITION
Chapter 9. Rotational Dynamics
Chapter 9 Rotational Dynamics 9.1 The Action of Forces and Torques on Rigid Objects In pure translational motion, all points on an object travel on parallel paths. The most general motion is a combination
Physics 201, Lecture 18
q q Physics 01, Lecture 18 Rotational Dynamics Torque Exercises and Applications Rolling Motion Today s Topics Review Angular Velocity And Angular Acceleration q Angular Velocity (ω) describes how fast
Chapter 8 Lecture. Pearson Physics. Rotational Motion and Equilibrium. Prepared by Chris Chiaverina Pearson Education, Inc.
Chapter 8 Lecture Pearson Physics Rotational Motion and Equilibrium Prepared by Chris Chiaverina Chapter Contents Describing Angular Motion Rolling Motion and the Moment of Inertia Torque Static Equilibrium
16. Rotational Dynamics
6. Rotational Dynamics A Overview In this unit we will address examples that combine both translational and rotational motion. We will find that we will need both Newton s second law and the rotational
LAB 8: ROTATIONAL DYNAMICS
Name Date Partners LAB 8: ROTATIONAL DYNAMICS 133 Examples of rotation abound throughout our surroundings OBJECTIVES To study angular motion including angular velocity and angular acceleration. To relate
31 ROTATIONAL KINEMATICS
31 ROTATIONAL KINEMATICS 1. Compare and contrast circular motion and rotation? Address the following Which involves an object and which involves a system? Does an object/system in circular motion have
= o + t = ot + ½ t 2 = o + 2
Chapters 8-9 Rotational Kinematics and Dynamics Rotational motion Rotational motion refers to the motion of an object or system that spins about an axis. The axis of rotation is the line about which the
FALL TERM EXAM, PHYS 1211, INTRODUCTORY PHYSICS I Monday, 14 December 2015, 6 PM to 9 PM, Field House Gym
FALL TERM EXAM, PHYS 111, INTRODUCTORY PHYSICS I Monday, 14 December 015, 6 PM to 9 PM, Field House Gym NAME: STUDENT ID: INSTRUCTION 1. This exam booklet has 13 pages. Make sure none are missing. There
Lecture 5 Review. 1. Rotation axis: axis in which rigid body rotates about. It is perpendicular to the plane of rotation.
PHYSICAL SCIENCES 1 Concepts Lecture 5 Review Fall 017 1. Rotation axis: axis in which rigid body rotates about. It is perpendicular to the plane of rotation.. Angle θ: The angle at which the rigid body
III. Work and Energy
Rotation I. Kinematics - Angular analogs II. III. IV. Dynamics - Torque and Rotational Inertia Work and Energy Angular Momentum - Bodies and particles V. Elliptical Orbits The student will be able to:
Motion in Space. MATH 311, Calculus III. J. Robert Buchanan. Fall Department of Mathematics. J. Robert Buchanan Motion in Space
Motion in Space MATH 311, Calculus III J. Robert Buchanan Department of Mathematics Fall 2011 Background Suppose the position vector of a moving object is given by r(t) = f (t), g(t), h(t), Background
Physics 2210 Fall smartphysics 14 Rotational kinematics 15 Parallel Axis Theorem and Torque 11/09/2015
Physics 2210 Fall 2015 smartphysics 14 Rotational kinematics 15 Parallel Axis Theorem and Torque 11/09/2015 Exam 3 Results Unit 14 Main Points 2/2 This table will be provided on the front page of exam
General Physics I. Lecture 8: Rotation of a Rigid Object About a Fixed Axis. Prof. WAN, Xin ( 万歆 )
General Physics I Lecture 8: Rotation of a Rigid Object About a Fixed Axis Prof. WAN, Xin ( 万歆 ) xinwan@zju.edu.cn http://zimp.zju.edu.cn/~xinwan/ New Territory Object In the past, point particle (no rotation,
PHYSICS 218 Final Exam Fall, 2014
PHYSICS 18 Final Exam Fall, 014 Name: Signature: E-mail: Section Number: No calculators are allowed in the test. Be sure to put a box around your final answers and clearly indicate your work to your grader.
Rotational Kinetic Energy
Lecture 17, Chapter 10: Rotational Energy and Angular Momentum 1 Rotational Kinetic Energy Consider a rigid body rotating with an angular velocity ω about an axis. Clearly every point in the rigid body
University of Alabama Department of Physics and Astronomy. PH 125 / LeClair Fall Exam III Solution
University of Alabama Department of Physics and Astronomy PH 5 / LeClair Fall 07 Exam III Solution. A child throws a ball with an initial speed of 8.00 m/s at an anle of 40.0 above the horizontal. The
= 2 5 MR2. I sphere = MR 2. I hoop = 1 2 MR2. I disk
A sphere (green), a disk (blue), and a hoop (red0, each with mass M and radius R, all start from rest at the top of an inclined plane and roll to the bottom. Which object reaches the bottom first? (Use
Chapter 8 continued. Rotational Dynamics
Chapter 8 continued Rotational Dynamics 8.4 Rotational Work and Energy Work to accelerate a mass rotating it by angle φ F W = F(cosθ)x x = rφ = Frφ Fr = τ (torque) = τφ r φ s F to x θ = 0 DEFINITION OF
Chapter 8. Rotational Kinematics
Chapter 8 Rotational Kinematics 8.3 The Equations of Rotational Kinematics 8.4 Angular Variables and Tangential Variables The relationship between the (tangential) arc length, s, at some radius, r, and