Marks website for physics, ap physics, and academic decathlon. Physics lab report 5 electrostatic force free download as word doc. A screened room is a normal feature of any electrophysiology laboratory, where tiny voltages. During the course of this semester, you will be working either in a group of 2 or 4 or, occasionally, 3 depending on the specific lab activity.
Lab preparation most of what you will see in this lab can be explained simply by the following. Th e fi rst article of this series, basic concepts in electrostatics. Electrostatics, as the name implies, is the study of stationary electric charges. The goal of this exercise is for you to observe the two different types of charge and the various means by which these can be produced and detected. Physics notes for class 12 electrostatics pdf is considered as one of the most important chapters to be studied for class 12 cbse board examination. Physics lab report 5 electrostatic force electrostatics electric. Th is article is at the physics b level, but a brief physics c extension appears at the end. Electrostatics california state university, fullerton. Duke physics electrostatics electrostatics for this lab, please pair up with someone. Founded in 2002 by nobel laureate carl wieman, the phet interactive simulations project at the university of colorado boulder creates free interactive math and science simulations. The hazards associated with electricity, eht, lasers etc. Most everyone has been shocked by the ability of electrons to transfer. But the electrostatic forces between pairs of objects in this laboratory are barely strong enough to lift. Your physics teacher has prepared the room for the classs entry by suspending several inflated balloons from the ceiling.
A suitable version is sold by the society of physics students in dearborn b6. Phet sims are based on extensive education research and engage students through an intuitive, gamelike environment where students learn through exploration and discovery. In this lab, we will investigate static electricity and coulombs law. The leaving certificate physics syllabus states on page three. In this experiment we generate electrostatic charge by friction, and explore the different kinds of electrostatic charge and how they interact. It will be assumed that you have already completed the coulombs law lab before starting this one. A rubber rod is charged negative by rubbing it with rabbits fur. The electrostatics and surface physics laboratory at the nasa kennedy space center is the premier nasa research facility dedicated to investigation in electrostatics and surface physics problems with applications to space flight and planetary exploration. Its a summary of last lecture and is available on the web. Upon entering the physics room, you observe two balloons being drawn towards each other as shown at the right. Find materials for this course in the pages linked along the left. Electrostatics page 0102 brushing a kitten on a dry day. For the love of physics walter lewin may 16, 2011 duration. The object of this lab is to study electric charges in a qualitative manner.
Observe how the leaves of the electroscope repel each other. This principle states that the interaction between any two charges is completely unaffected by the presence of other. The outer electrons are located farthest from nucleus and are. Lab 1 electrostatics university of minnesota duluth. Electrostatics in your home spring 2007 page 3 8 i. A common laboratory device for producing high voltages and creating. To study charges, the forces they exert on each other, and their flow between materials, both conducting and nonconducting.
Charge a rod negatively by rubbing it with a material that will give it extra electrons. The base of the electroscope is constructed out of acrylic, an insulator, to minimize charge leakage to. Sims html5 physics motion java logo, original sim and translationsdownload and read phet physics electrostatics. Static electricity is the result of an imbalance of charge.
General physics lab laboratory manual electricity and magnetism northwesternuniversity version1. When you have finished the experiments, you r group will. Spring toy lab pdf 1second pendulum intro lab pdf simple pendulum and gravity lab pdf. The physics classroom serves students, teachers and classrooms by providing classroomready resources that utilize an easytounderstand language that makes learning interactive and multidimensional. The electrostatic field to calculate the force exerted by some electric charges, q1, q2, q3. Electrostatics equipment for demonstrating electric charge. Compare what happens when the rod approaches to what happens when the rod touches the metal bulb.
That explanation will not be repeated here and much of what is learned from that lab is directly applicable to this lab. Charges reach their equilibrium positions rapidly because the electric force is extremely strong. Electricity, magnetism and optics department of physics. The mathematical methods of electrostatics make it possible to.
This physics textbook is designed to support my personal teaching activities at duke university, in particular teaching its physics 141142, 151152, or 161162 series introductory physics for life science majors, engineers, or potential physics majors, respectively. Stick a piece of plastic adhesive tape scotch magic tape works well about 40 cm long onto a. Electrostatics is the study of electromagnetic phenomena that occur when there are no moving chargesi. Standard laboratory safety precautions must be observed, and due care must be taken when carrying out all experiments. When the two pith balls are given an electrostatic. When the air is humid, a thin, invisible film of water forms on all surfaces, particularly on the surfaces of. Just as in the coulombs law lab, you will not be given detailed instructions for how to perform this lab. However, it should be charged oppositely to the rod. This experiment is intended to give you some experience with, and experimental verification of, some of the basic principles of electrostatics you have been introduced to in lecture. You will learn to detect the presence of electric charges and. A lucite rod is charged positive by rubbing it with silk. Many of these tests are similar to ones carried out in the eighteenth century. Electrostatics electricity physics experiments physics. These repelling and attracting forces that occur can be found using coulombs law, which is stated as.
Physics is an experimental science, which means that some physicists discover laws and principles through carefully conducted experiments and data analysis. Experiment1 the force acts in a direction along the straight line connecting the two charges. Electrostatics lab appalachian state physics lab videos. January 6, 2014 page 1 of physics ii lab 1 sp212 electrostatics i.
This lab notebook can be reused for future physics labs. When one charged rubber rod is placed in a stirrup, another charged rubber rod will repel it, but a charged lucite rod will attract it. Stick a piece of plastic adhesive tape scotch magic tape works well about 40 cm long onto a table top. The paper presents a series of simple electrostatic experiments and instruments that can be built. Written by teachers for teachers and students, the physics classroom provides a wealth of resources that meets the varied needs of both students and teachers. Electrostatics university of colorado colorado springs. Most of the observations in this experiment will be qualitative. This pre lab is not to be copied, in whole or in part, unless a proper reference is made as to the source. Ap physics 2 electrostatics free response old b exams solutions. Read phet physics electrostatics simulation lab answers phet physics electrostatics simulation lab answers what do you do to start reading phet physics simulations as an introduction to electrostatics. Bring the negatively charged rod close to the electroscope bulb without touching it. Department of physics education, faculty of mathematics and physics, charles.
The charge on plastic rubbed with fur is defined as negative, and the charge on glass rubbed with silk is defined as positive. The outer electrons are located farthest from nucleus and are held more loosely than the rest. The laboratory is currently carrying out electrostatic analyses and materials characterization to assist in the detection. We will take the classical physics approach and assign a unit to charge, that being the. Part 2 fur, cloth, and bag if you figured out the answer to question 3, then your answer implies that the fur or cloth or bag should also be charged. Static electricity is something we see in our everyday lives. Electrostatics electric charge and force physics lab 121a daniella gonzalez tara. The lab the students complete is graded for completion and accuracy with emphasis on the analysis and conclusion questions. Notes on electrostatics these notes are meant for my phy3 lecture class, but all are free to use them.
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