Electric Charges and Forces. Lecture 1. Chapter 25. Physics II. Course website:
|
|
- Edith Phelps
- 5 years ago
- Views:
Transcription
1 Lecture 1 Chapter 25 Physics II Electric Charges and Forces Course website:
2 Course Website Everything you need to know about the course can be found on the course website:
3 Lectures/Textbook Physics II meets 2 times a week Lectures : 8:00-8:50 TuFr, Olney 150 Lecture slides will be posted on-line Lecture recording (video and audio) will be posted: The textbook: Physics for Scientists and Engineers, a Strategic Approach, Third Edition by Randall Knight (Pearson, 2012)
4 Weekly Homework Online HW is on Course title: 95144Spring2016 Course ID: DANYLOVSPRING2016 The online HW is typically due midnight on Sunday (You are penalized 25% for each day late)
5 Clicker registration Channel Number of a clicker: 61 Class name: DANYLOVSPRING2016
6 Course Grading Item Points HW 100 Quizzes 100 Exam Exam Final Exam Lecture Attendance Total 650 Range Grade >80% A 75-80% A % B % B 60-65% B % C % C 45-50% C % D % D <35% F
7 Electricity Electricity and magnetism is all around us. microphones, calculators, televisions, radio, computers. The colors of the rainbow in the blue sky are there because of electricity Your nerve system is driven by electricity. You could not see without electricity.
8 Electrostatics Charges are at rest Electrical forces arise from particles in atoms Electrons negatively charged Protons positively charged (by convention) Observations: charges interact Like charges repel Opposite charges attract Coulomb found an expression to describe these interactions
9 Coulomb s law F 1on2 When two charged particles are a distance, r, apart, they each experience a force. F 2on1 r q 2 q 1 In SI units K = N m 2 /C 2. Enormous!!! Let s define a new constant, called the permittivity constant 0 : Rewriting Coulomb s law in terms of 0 gives us:
10 The force between two charges separated by a distance d is F. If the charges are pulled apart to a distance 3d, what is the force on each charge?? Q F ConcepTest 1 Q Q d F? Q A. 9F B. 3F C. F D. (1/3)F E. (1/9)F 3d Originally we had: F before = k(q)(q)/d 2 = F Now we have: F after = k(q)(q)/(3d) 2 = 1/9F
11 Principle of superposition If multiple charges are present, the net electric force on a charge q due to all other charges is q 1 q 2 q F 1 F 2 F 3 q 3 F 4 q 4
12 ConcepTest 2 Forces in 2D Which of the arrows best represents the direction of the net force on charge +Q due to the other two charges? d +2Q 1 +Q A. 1 B. 2 C. 3 D. 4 The charge +2Q repels +Q d E. 5 toward the right. The charge +4Q repels +Q +4Q upward, but with a stronger force. Therefore, the net force is up and to the right, but mostly up. +2Q +4Q
13 Usually an atom is neutral Charged ions If an atom loses one or more electrons, it becomes positively charged called a positive ion If an atom gains one or more electrons, it becomes negatively charged called a negative ion electrons
14 Insulators and conductors The electrons in an insulator are all tightly bound to the positive nuclei and not free to move around. In metals, the outer atomic electrons are only weakly bound to the nuclei. These outer electrons become detached from their parent nuclei and are free to wander about through the entire solid.
15 Charging When a plastic rod is rubbed with a towel, the plastic acquires a negative charge and the towel acquires an equal amount of positive charge. (The charges are separated but the sum is zero) It leads to CONSERVATION OF CHARGE The net amount of electric charge produced in any process is zero Demo:rod/paper
16 The figure shows how a conductor is charged by contact with a charged plastic rod. Charging metal Electrons in a conductor are free to move. Once charge is transferred to the metal, repulsive forces between the electrons cause them to move apart from each other. Demo:rod/electroscope
17 Induced charge in conductor Although the metal as a whole is still electrically neutral, we say that the object has been polarized. Charge polarization is a slight separation of the positive and negative charges in a neutral object. Metal Demo:rod/electroscope/induction and rod/baloon
18 Charge induction in an insulator The figure shows how a neutral atom is polarized by an external charge, forming an electric dipole. Center of negative charge electric dipole F negatively charged surface positively charged surface Demo:rod/paper
19 Demonstrations Electroscope A Van de Graff generator (named after its inventor) is a high voltage generator. It basically loads a spherical hollow conductor with static charges which brings the conductor to a very high (or very low) potential.
20 Thank you See you on Friday
Electric Charges and Forces
Lecture 1 Chapter 25 Physics II Electric Charges and Forces Course website: http://faculty.uml.edu/andriy_danylov/teaching/physicsii Course Website Everything you need to know about the course can be found
More informationElectric Charges and Forces
Lecture 1 Chapter 22 PHYSICS II Electric Charges and Forces I am ready. What are you up to now? Course website: http://faculty.uml.edu/andriy_danylov/teaching/physicsii Today we are going to discuss: Chapter
More informationPHYSICS. Chapter 22 Lecture FOR SCIENTISTS AND ENGINEERS A STRATEGIC APPROACH 4/E RANDALL D. KNIGHT Pearson Education, Inc.
PHYSICS FOR SCIENTISTS AND ENGINEERS A STRATEGIC APPROACH 4/E Chapter 22 Lecture RANDALL D. KNIGHT 2017 Pearson Education, Inc. Chapter 22 Electric Charges and Forces IN THIS CHAPTER, you will learn that
More information8/24/2018. Charge Polarization. Charge Polarization. Charge Polarization
Charge Polarization The figure shows how a charged rod held close to an electroscope causes the leaves to repel each other. How do charged objects of either sign exert an attractive force on a neutral
More information3/9/2016. Chapter 25 Electric Charges and Forces. Chapter 25 Preview. Chapter 25 Preview
Chapter 25 Electric Charges and Forces Pickup PSE3e Photo from page 720, lightning (perhaps change the fonts and make this photo fill the entire slide) Chapter Goal: To describe electric phenomena in terms
More informationChapter 16 Electric Charge and Electric Field
Chapter 16 Electric Charge and Electric Field 16.1 Static Electricity; Electric Charge and Its Conservation Objects can be charged by rubbing 16.1 Static Electricity; Electric Charge and Its Conservation
More informationPHYS 241 Electricity & Optics
PHYS 241 Electricity & Optics Physics Department Home page: http://www.physics.purdue.edu/ Course Home page: http://www.physics.purdue.edu/phys241/ CHIP Home page: http://chip.physics.purdue.edu/public/241/spring2014/
More informationAnnouncements. I clickers. Expected to come prepared to participate in I clickers
Announcements Required pre-survey: Take TODAY and save confirmation page. Deadline Jan 26 midnight. https://rutgers.qualtrics.com/se/?sid=sv_2gj6vkee2lbv0fv&q_jfe=0 Makeup for required pre-test: Tuesday,
More informationPlease turn cell phones off
Welcome to Physics 102! Electricity Magnetism (at the heart of most processes around us: in atoms & molecules; living cells) Optics Atomic Physics Nuclear Physics Relativity http://www.communicationcurrents.com
More information- Like charges repel Induced Charge. or by induction. Electric charge is conserved
Course website: http://course.physastro.iastate.edu/phys112/ Here you will find the syllabus, lecture notes and other course information Links to the website are also on Blackboard: Phys 112 (Spring 2017)
More informationConcepTest PowerPoints
ConcepTest PowerPoints Chapter 16 Physics: Principles with Applications, 6 th edition Giancoli 2005 Pearson Prentice Hall This work is protected by United States copyright laws and is provided solely for
More informationChapter 21. Electric Charge
Chapter 21 Electric Charge Electric Charge When an amber rod is rubbed with fur, some of the electrons on the atoms in the fur are transferred to the amber: Electric Charge: Water (H2O) molecule can be
More informationCh 16: Electric Charge and Electric Field. Opposites attract by Paula Abdul
Ch 16: Electric Charge and Electric Field Opposites attract by Paula Abdul Static Electricity A neutral object rubbed with another object can acquire a charge due to friction. It is said to posses a net
More informationLecture PowerPoints. Chapter 16 Physics: Principles with Applications, 6 th edition Giancoli
Lecture PowerPoints Chapter 16 Physics: Principles with Applications, 6 th edition Giancoli 2005 Pearson Prentice Hall This work is protected by United States copyright laws and is provided solely for
More informationCHAPTER 15 ELECTRIC FORCE & FIELDS
CHAPTER 15 ELECTRIC FORCE & FIELDS We will look at the basic properties of electric charge. Electric charge comes in discrete units The total charge in the universe remains constant The force law that
More informationElectrostatics and Electric Potential - Outline
Electrostatics and Electric Potential - Outline 1. Understand the basic properties of electric charge, including conservation of charge and that charges are quantized. 2. Differentiate between conductors
More informationChapter 20 Electric Fields and Forces
Chapter 20 Electric Fields and Forces Chapter Goal: To develop a basic understanding of electric phenomena in terms of charges, forces, and fields. Slide 20-1 Chapter 20 Preview Looking Ahead: Charges
More informationChapter 21: Electric Charges and Forces
Chapter 21: Electric Charges and Forces Electric Force The electric force is one of the fundamental forces of nature. Examples: Running a comb through hair Rubbing rubber/plastic/glass rods with fur and
More informationPhysics Electrostatics
Homework Procedure: Read pages specified in Honors Physics Essentials by Dan Fullerton. Questions labeled TQ will be questions about the text you read. These TQ s can be answered in one word, one phrase,
More informationLecture Outline Chapter 19. Physics, 4 th Edition James S. Walker. Copyright 2010 Pearson Education, Inc.
Lecture Outline Chapter 19 Physics, 4 th Edition James S. Walker Chapter 19 Electric Charges, Forces, and Fields Units of Chapter 19 Electric Charge Insulators and Conductors Coulomb s Law The Electric
More informationCoulomb s Law. Phys102 Lecture 2. Key Points. Coulomb s Law The electric field (E is a vector!) References
Phys102 Lecture 2 Phys102 Lecture 2-1 Coulomb s Law Key Points Coulomb s Law The electric field (E is a vector!) References SFU Ed: 21-5,6,7,8,9,10. 6 th Ed: 16-6,7,8,9,+. Phys102 Lecture 2 Phys102 Lecture
More informationWelcome to PHY212!! General Physics II:! Electricity, Magnetism, and Light!
Welcome to PHY212!! General Physics II:! Electricity, Magnetism, and Light! Prof. Mitch Soderberg! msoderbe@syr.edu Lecture 1.1! Jan. 13, 2015 1 Announcements Register for PHY222 (labs) if you haven t
More informationElectric Force and Charges. Conceptual Physics 11 th Edition. Electric Force and Charges
Conceptual Physics 11 th Edition Central rule of electricity Opposite charges attract one another; like charges repel. Chapter 22: ELECTROSTATICS This lecture will help you understand: Electrical Forces
More informationLecture 1.2 :! Electric Force and Electric Field
Lecture 1.2 :! Electric Force and Electric Field Lecture Outline:! Charging Objects! Coulomb s Law! Electric Field! Textbook Reading:! Ch. 25.3-25.5 Jan. 15, 2015 1 Announcements Quiz in class next Thu.
More informationChapter 16 Electric Charge and Electric Field
Chapter 16 Electric Charge and Electric Field Units of Chapter 16 Static Electricity; Electric Charge and Its Conservation Electric Charge in the Atom Insulators and Conductors Induced Charge; the Electroscope
More informationIntro Video: n What is charge? n v=dvlpasdwxpy
Electrostatics Intro Video: n What is charge? n https://www.youtube.com/watch? v=dvlpasdwxpy What is electrostatics? n Electrostatics or electricity at rest n Involves electric charges, the forces between
More informationElectric Force and Charges. Conceptual Physics 11 th Edition. What are Atoms Made of?
Conceptual Physics 11 th Edition Electrical Forces and Charges Conservation of Charge Coulomb s Law Conductors and Insulators Chapter 22: ELECTROSTATICS Charging Charge Polarization Electric Field Electric
More informationConductors in Electrostatic Equilibrium
Lecture 6 Chapter 24 Conductors in Electrostatic Equilibrium 95.144 Conductors full of electrons? Course website: http://faculty.uml.edu/andriy_danylov/teaching/physicsii Today we are going to discuss:
More informationElectric Charge & Force Problems - 1 v Goodman & Zavorotniy
The Atom Chapter Questions 1. Which part on an atom carries a positive charge? Which carries the negative charge? 2. How many types of electric charge are there? 3. When a neutral atom captures a free
More informationCHAPTER 15 PRE-TEST: ELECTRIC FORCE AND FIELDS
Class: Date: CHAPTER 5 PRE-TEST: ELECTRIC FORCE AND FIELDS Multiple Choice Identify the choice that best completes the statement or answers the question.. What happens when a rubber rod is rubbed with
More informationSection 12. Please pick-up section 12 packet and worksheet
Section 12 Please pick-up section 12 packet and worksheet Electrostatics Electrostatics, or electricity at rest, involves electric charges, the forces between them, and their behavior in materials. An
More informationAP Physics 1 Electrostatics Practice Problems. Multiple Choice
AP Physics 1 Electrostatics Practice Problems Multiple Choice 1. A plastic rod is rubbed with a piece of wool. During the process the plastic rod acquires a negative charge and the wool: (A) acquires an
More information10th week Lectures March Chapter 12
Electric charge. 10th week Lectures March 20. 2017. Chapter 12 Conductors and Insulators Coulomb law Electric field Electric Potential 3/20/2017 Physics 214 Spring 2017 1 Electric charge an atom has a
More informationElectrostatics. Physics 10. Atomic Structure
Slide 1 Slide 6 Slide 2 Slide 7 Slide 3 Slide 8 Slide 4 Slide 9 Slide 5 Slide 10 Physics 10 Electrostatics Slide 11 Slide 12 Slide 13 Slide 14 Slide 15 Slide 16 Slide 17 Slide 18 Slide 19 Slide 20 Slide
More informationPHYSICS - CLUTCH CH 22: ELECTRIC FORCE & FIELD; GAUSS' LAW
!! www.clutchprep.com CONCEPT: ELECTRIC CHARGE e Atoms are built up of protons, neutrons and electrons p, n e ELECTRIC CHARGE is a property of matter, similar to MASS: MASS (m) ELECTRIC CHARGE (Q) - Mass
More informationElectrostatic and Electromagnetic Exam Wednesday
Name: KEY Period: Electrostatic and Electromagnetic Exam Wednesday 3-9-2016 This is a review guide none of these questions are on the test. You have to understand the skills necessary to answer these questions
More informationLecture PowerPoints. Chapter 16 Physics: Principles with Applications, 6 th edition Giancoli
Lecture PowerPoints Chapter 16 Physics: Principles with Applications, 6 th edition Giancoli 2005 Pearson Prentice Hall This work is protected by United States copyright laws and is provided solely for
More informationNote on Posted Slides
Note on Posted Slides These are the slides that I intended to show in class on Wed. Mar. 13, 2013. They contain important ideas and questions from your reading. Due to time constraints, I was probably
More informationHIGH SCHOOL SCIENCE. Physical Science 7: Electricity & Magnetism
HIGH SCHOOL SCIENCE Physical Science 7: Electricity & Magnetism WILLMAR PUBLIC SCHOOL 2013-2014 EDITION CHAPTER 7 Electricity & Magnatism In this chapter you will: 1. Analyze factors that affect the strength
More informationPHYS 241 Electricity & Optics
PHYS 41 Electricity & Optics Physics & Astronomy Department Home page: http://www.physics.purdue.edu/ Course Home page: http://www.physics.purdue.edu/phys41/ CHIP Home page: http://chip.physics.purdue.edu/public/41/fall016/
More informationPhysics Notes Chapter 17 Electric Forces and Fields
Physics Notes Chapter 17 Electric Forces and Fields I. Basic rules and ideas related to electricity a. electricity is about charges or charged objects where they are and how they move electrostatics is
More informationElectric Charge & Force Problems - 1 v Goodman & Zavorotniy
Electric Charge Chapter Questions 1. What happens to a plastic rod when it is rubbed with a piece of animal fur? What happens to the piece of fur? 2. How many types of electric charge are there? What are
More informationElectric Forces and Electric Fields
Physics 11 Electric Forces and Electric Fields Atomic Structure nucleus: consists of protons (+ charge) and neutrons (no charge) Atomic Structure Conductors / Insulators Charging an Object Induced Charge
More informationWelcome to PHYS2002!
Welcome to PHYS00! Physics I Done! We are now all experts in mechanics. Mechanics Mass M Interaction: mm F = G r 1 G = 6.67 10 Nm/ kg r M 11 1 We never said what mass is, only how it behaves. New Semester
More informationChapter 21 Electric Charge and Electric Field
Chapter 21 Electric Charge and Electric Field Electric charge Conductors and insulators Coulomb s Law Electric Fields Phys 2435: Chap 21, Pg 1 Electric Charge There are two kinds of charge: positive (+)
More informationPHYS 241D Electricity & Optics
PHYS 241D Electricity & Optics Physics Department Home page: http://www.physics.purdue.edu/ Course Home page: http://www.physics.purdue.edu/phys241d/ CHIP Home page: http://chip.physics.purdue.edu/public/241d/fall2014/
More informationTwo. ( ) :. ; J.. v ( -I ) f - ) N. 1 o f.., J e. ( b) Like c a.,,9"s ref" ti. iocl, c, Qi' (f) .. i:1: ti,: f. c; (. c\... '1 t e-' r
r (. Two + fes. ( ) :. ; J.. v ( -I ) ( b) N. 1 o f.., J e f - ) Like c a.,,9"s ref" ti iocl, c, Qi'.. i:1: ti,: f. c; (. ej Or (f) e e c\... '1 t e-' r......... e Electric charge and the structure of
More informationDefinition: Electricity at rest (stationary)
Electrostatics Definition: Electricity at rest (stationary) Static means to stand and is used in Mechanical Engineering to study forces on bridges and other structures. Statue, stasis, stationary, ecstatic,
More informationReview of Static Electricity
Name: Block: Date: IP 614 Review of Static Electricity Central Concept: Stationary and moving charged particles result in the phenomena known as electricity and magnetism. 5.1 Recognize that an electric
More informationSection 1: Electric Charge and Force
Section 1: Electric Charge and Force Preview Key Ideas Bellringer Electric Charge Transfer of Electric Charge Induced Charges Charging by Contact Electric Force Electric Field Lines Key Ideas What are
More informationLecture PowerPoints. Chapter 16 Physics: Principles with Applications, 7 th edition Giancoli
Lecture PowerPoints Chapter 16 Physics: Principles with Applications, 7 th edition Giancoli This work is protected by United States copyright laws and is provided solely for the use of instructors in teaching
More informationConceptual Physics Electrostatics and Static Electricity Notes and Worksheets
Conceptual Physics Electrostatics and Static Electricity Notes and Worksheets Electrostatics is the study of electrical charges at rest. Charge is the fundamental aspect of all electrical phenomena. Electrical
More informationElectric Charge and Force
CHAPTER 17 21 SECTION Electricity Electric Charge and Force KEY IDEAS As you read this section, keep these questions in mind: What are the different kinds of electric charge? How do materials become electrically
More informationPHYS 241 Electricity, Magnetism & Optics Syllabus
PHYS 241 Electricity, Magnetism & Optics Syllabus Questions about grades, grade checks, absences, course withdrawal, etc please see Prof. Laura Pyrak-Nolte 1 PHYS 241 Electricity & Optics Physics & Astronomy
More informationELECTRIC CHARGE. 3. Is there any evidence of interaction between the can and the balloon?
ELECTRIC CHARGE Name Partners' Names Part 1 The Existence of Charge A) 1. Place an empty soda pop can on its side on a flat table. 2. Fully inflate a balloon. Hold the balloon next to the side of the can,
More informationPhysics 122 Class #14 Outline
Physics 122 Class #14 Outline Announcements Electric Field Superpositions Gaining intuition from electric field lines Effect of electric field on moving charges Empirical Electrostatics Field of continuous
More informationChapters 21 and 22: Giancoli, 4 th Edition Electrostatics
Chapters 21 and 22: Giancoli, 4 th Edition Electrostatics Electric Charges Coulomb s Law and Electric force The Electric Field Electric Field Lines Electric flux Gauss Law and applications of Gauss Law
More informationElectric Charge. Physics 4B. Atomic Structure
Physics 4B Electric Charge Atomic Structure nucleus: consists of protons (+ charge) and neutrons (no charge) Slide 1 Slide 2 Slide 3 Slide 4 Slide 5 Slide 6 Slide 7 Slide 8 Slide 9 Slide 10 Slide 11 Slide
More informationPHYSICS 30 ELECTRIC FIELDS ASSIGNMENT 1 55 MARKS
For each of the following questions complete communication must be shown. Communication consists of an introduction to the physics of the situation, diagrams, word explanations and calculations in a well
More informationChapter 1. Electrostatics. The Electric Charge
Chapter 1 Electrostatics The Electric Charge Electric charge, or electricity, can come from batteries and generators. But some materials become charged when they are rubbed. Their charge is sometimes called
More informationConcepTest PowerPoints
ConcepTest PowerPoints Chapter 16 Physics: Principles with Applications, 7 th edition Giancoli 2014 Pearson Education, Inc. This work is protected by United States copyright laws and is provided solely
More informationELECTROSTATICS. the study of electric charges, forces and fields Static Electricity is Stationary Electricity or Accumulation of charge
Electrostatics 1 ELECTROSTATICS the study of electric charges, forces and fields Static Electricity is Stationary Electricity or Accumulation of charge Fundamental Rule Opposites attract, Likes Repel Things
More informationChapter 15. Electricity and Magnetism
Chapter 15 Electricity and Magnetism History of Electrostatics Electrostatics is the study of the nature, behavior, and uses of static electricity. Benjamin Franklin is famous for his study of electricity!
More informationPHYS 2426 Brooks INTRODUCTION. Physics for Scientists and Engineers, with Modern Physics, 4 th edition Giancoli
PHYS 2426 Brooks INTRODUCTION http://iws.ccccd.edu/mbrooks Physics for Scientists and Engineers, with Modern Physics, 4 th edition Giancoli Chapter 21 Electric Charge and Electric Field Static Electricity;
More informationToday s Topics. The Physics 202 Team Course Formality and Overview. Physics 202 Homepage
Today s Topics The Physics 202 Team Course Formality and Overview Ch. 21.1-21.5: Electric Charge, Coulomb's Law Text: Giancoli, Physics for Scientists and Engineers, 4th ed., Volume II. Physics 202 Homepage
More informationChapter 19. Electric Charges, Forces and Electric Fields
Chapter 19 Electric Charges, Forces and Electric Fields Agenda Atom History Induction Static Conductors Insulators Coulomb s Law Observation/ question Quiz The electrons in an atom are in a cloud surrounding
More informationElectrical Forces arise from particles in atoms.
Electrostatics Electrical Forces arise from particles in atoms. The protons(+) in the nucleus attract the electrons and hold them in orbit Electrons(-)repel other electrons and protons repel other protons
More informationPHY132 Introduction to Physics II Class 9 Outline:
PHY132 Introduction to Physics II Class 9 Outline: Finishing off chapter 25, Starting chapter 26.. The Field Model The Electric Field of a Point Charge, and many point charges Fun with Charge Conservation!!!
More informationCharge Transfer Diagrams
+ + = CHAPTER 7 BLM 33 Charge Transfer Diagrams Goal Review your understanding of charge transfer Use the following diagram to answer question 1 3 Use ( ) to represent negative charges and (+) to represent
More informationChapter 20. Static Electricity
Chapter 20 Static Electricity Chapter 20 Static Electricity In this chapter you will: Observe the behavior of electric charges and analyze how these charges interact with matter. Examine the forces that
More informationAP Physics 2 Summer Assignment (2014)
Name: Date: AP Physics 2 Summer Assignment (2014) Instructions: 1. Read and study Chapter 16 Electric Charge and Electric Field. 2. Answer the questions below. Some questions may require you to use your
More informationElectric Force and Field Chapter Questions
Electric Force and Field Chapter Questions 1. What happens to a plastic rod when it is rubbed with a piece of animal fur? What happens to the piece of fur? 2. How many types of electric charge are there?
More informationLecture PowerPoints. Chapter 16 Physics: Principles with Applications, 7 th edition Giancoli
Lecture PowerPoints Chapter 16 Physics: Principles with Applications, 7 th edition Giancoli This work is protected by United States copyright laws and is provided solely for the use of instructors in teaching
More informationPHY132 Introduction to Physics II Class 8 Outline:
PHY132 Introduction to Physics II Class 8 Outline: Microscopes, Telescopes Ch. 25, sections 25.1-25.4 Developing a Charge Model Electric Charge Insulators and Conductors Coulomb's Law [Photo by David He
More informationA negatively charged object has more electrons than protons. A negatively charged object has more electrons than protons
Electricity Electricity Describes all phenomena caused by positive and negative charges Electrical charge is caused by protons and electrons Electrons and protons are subatomic particles found in the atom
More informationCQ 1 What is alike when we say "two like charges?" Do they look, feel, or smell alike?
Ch20P Page 1 1P22/1P92 Problems (2011) Chapter 20 Electric Fields and Forces Sunday, January 09, 2011 4:50 PM CQ 1 What is alike when we say "two like charges?" Do they look, feel, or smell alike? CQ 3
More information2: What is the magnitude of the electric charge of an electron? 3: What is the law of conservation of electric charge?
Chapter 18 Discussion January-03-15 8:58 PM Electric Forces and Electric Fields Reading Review 1: What is the SI unit of electric charge? 2: What is the magnitude of the electric charge of an electron?
More informationChapter 19 Electric Charges, Forces, and Fields
Chapter 19 Electric Charges, Forces, and Fields 1 Overview of Chapter 19 Electric Charge! Insulators and Conductors! Coulomb s Law! The Electric Field! Electric Field Lines! Shielding and Charging by Induction
More informationElectricity and Magnetism Overview of Course Charge and Conduction
Electricity and Magnetism Overview of Course Charge and Conduction Lana Sheridan De Anza College Sept 22, 2015 Overview of the Course Topics charge static electric interactions electric fields electric
More informationWelcome back to PHY101: Major Concepts in Physics I. Photo: J. M. Schwarz
Welcome back to PHY101: Major Concepts in Physics I Photo: J. M. Schwarz Announcements Course Website: http://jmschwarztheorygroup.org/phy101/ HW 7 on Chapters 9 and 16 is due on Friday at 5PM in your
More informationElectric Charge and Electric Field AP Physics 4 Lecture Notes
Electric Charge and Electric Field AP Physics 4 Lecture Notes Coulomb s Law The Electric Field Field Lines Electric Fields and Conductors Coulomb s law: Coulomb s Law Force (N) F F F k r F F F r Charge
More informationConcept Summary. Adapted from Batesville High School Physics
Grounding Providing a path from a charged object to the Earth is called grounding it. Charges will be attracted from (or repelled to) the Earth by the charged object. Since the Earth is so large, both
More informationPhysics 1302W.400 Lecture 2 Introductory Physics for Scientists and Engineering II
Physics 1302W.400 Lecture 2 Introductory Physics for Scientists and Engineering II In today s lecture, we will start to cover Chapter 23, with the goal to develop the force field concept for the long-range
More informationELECTRIC FORCES AND ELECTRIC FIELDS
chapter ELECTRIC FORCES AND ELECTRIC FIELDS www.tutor-homework.com (for tutoring, homework help, or help with online classes) Section 18.1 The Origin of Electricity Section 18.2 Charged Objects and the
More informationPre-LAB 1 Preparation: Electric Charge & Electric Interactions
Name: Lab Partners: Date: Pre-LAB 1 Preparation: Electric Charge & Electric Interactions Directions: Read over the lab handout and then answer the following questions. Question 1 What are the two hypotheses
More informationChapter 21. Coulomb s Law. Copyright 2014 John Wiley & Sons, Inc. All rights reserved.
Chapter 21 Coulomb s Law Copyright Magic? (a) The two glass rods were each rubbed with a silk cloth and one was suspended by thread. When they are close to each other, they repel each other. (b) The plastic
More informationElectrostatics. Electrostatics - the study of electrical charges that can be collected and held in one place - charges at rest.
Electrostatics Electrostatics - the study of electrical charges that can be collected and held in one place - charges at rest. Examples: BASIC IDEAS: Electricity begins inside the atom itself. An atom
More information(1) (2) (1) doubling charge q 1, only
Coulomb s Law Class: Name: Date: 1. As the distance between two point charges is tripled, the electrostatic force between the charges (1) decreases to one-ninth the original force decreases to one-third
More informationPES 1120 Spring 2014, Spendier Lecture 2/Page 1
PES 110 Spring 014, Spendier Lecture /Page 1 Lecture today: Chapter 1 1) Van de Graaff generator ) Coulombs Law 3) HW 0 given out Last time: Charge comes in two distinct forms: - positive charge (+, i.e
More informationStatic Electricity 2
1 2 Introductory Question A woman rubs her feet on the carpet and gives a shock to her identical twin. If the twin also rubs her feet on the carpet before being touched, the shock will be A. larger B.
More informationLAST NAME FIRST NAME DATE
LAST NAME FIRST NAME DATE CJ - Assignment 1 18.1 The Origin of Electricity 18.2 Charged Objects & the Electric Force 18.3 Conductors & Insulators 18.4 Charging by Contact & by Induction Conceptual Question
More informationIntroductory Physics for Scientists and Engineers (II) PHY2049
Introductory Physics for Scientists and Engineers (II) PHY2049 Beatriz Roldán Cuenya Department of Physics, University of Central Florida http://physics.ucf.edu/~roldan Book: University Physics (Vol 2),
More informationChapter 21 Electric Charge and Electric Field
Chapter 21 Electric Charge and Electric Field 21-1 Static Electricity; Electric Charge and Its Conservation Objects can be charged by rubbing 21-1 Static Electricity; Electric Charge and Its Conservation
More informationPhysics 1302W.500 Lecture 9 Introductory Physics for Scientists and Engineering II
Physics 1302W.500 Lecture 9 Introductory Physics for Scientists and Engineering II In today s lecture, we will finish our discussion of Gauss law. Slide 25-1 Applying Gauss s law Procedure: Calculating
More informationWelcome to Physics 212
Welcome to Physics 212 http://online.physics.uiuc.edu/courses/phys212 01 Physics 212 Lecture 1, Slide 1 Physics 212 Lecture 1 Today's Concepts: a) Coulomb s Law b) Superposition 03 Physics 212 Lecture
More informationCh 16 practice. Multiple Choice Identify the choice that best completes the statement or answers the question.
Ch 16 practice Multiple Choice Identify the choice that best completes the statement or answers the question. 1. What happens when a rubber rod is rubbed with a piece of fur, giving it a negative charge?
More informationChapter 4: The electromagnetic Interaction. Quizlet. Early observations. Lightning
Chapter 4: The electromagnetic Interaction Quizlet P2: When you run a hard rubber comb through your hair on a dry day, the hair stands up. It is also attracted to the comb. What interaction is at work?
More informationHW Chapter 16 Q 6,8,10,18,19,21 P 1,2,3,4. Chapter 16. Part 1: Electric Forces and Electric Fields. Dr. Armen Kocharian
HW Chapter 16 Q 6,8,10,18,19,21 P 1,2,3,4 Chapter 16 Part 1: Electric Forces and Electric Fields Dr. Armen Kocharian First Observations Greeks Observed electric and magnetic phenomena as early as 700 BC
More informationPeople experience static electricity everyday.
Electrostatics Electrostatics/static electricity is the branch of physics that deals with electrical charges or charged objects, and their interactions. The charges are stationary. People experience static
More informationLearning Outcomes from Last Time. Class 3. Learning Outcomes. What Causes Forces -Two Experiments. What Causes Forces -Two Experiments
Learning Outcomes from Last Time Class 3 Electrostatic Forces Physics 106 Winter 2018 Press CTRL-L to view as a slide show. You should be able to answer these questions: What is science? What is physics?
More information