We have to rely heavily on observations for whatever understandings we can gain. This collection of pages comprise worksheets in pdf format that developmentally target key concepts and mathematics commonly covered in a high school physics curriculum. Stevens high school physics laboratory manual page 1 students. Integrate science content with your reading texts and meet each readers needs with this set. Thus, the high school student even being unable to make or understand the mathematical difficulties involved in a given experiment or phenomenon, can use computer simulation and understand significantly physical submitted for the same. An interesting hapticsbased system for modeling complex molecular structures. Topics include introduction to physics, linear and projectile motion, newtons law of motion, circular motion and rotational mechanics, oscillatory motion, gravitation, energy and momentum, heat transfer and. Tenth grade lesson friction lab, day 1 betterlesson. In this lab, students are asking questions about what affects friction sp1, collecting and analyzing data sp4, and.
Ereksons physics and ap physics classes at lone peak high school. The full course notes are also available for download pdf 67. In a previous lesson, students used fma and calculate the weight of an object. Physics teachers inventions fair 17 2 next simple experiment is a connection of two notebooks see fig. Test which surfaces create more friction, see how strong friction is, learn how to reduce friction, and even discover the side effects of friction. This experiment was performed with the purpose of determining how the unit of. Kinetic friction and static friction physics problems, forces, free body diagrams, newtons laws duration. Sketch the graph in your lab journal, and write the equation of the fit in the usual way math equation, physics equation, matching table, physics with fit coefficients numbers and units substituted, etc. If they approve your graph, please put it and the equation for it into your lab book. Record the weight of each of the books before experimenting. The curriculum corner contains a complete readytouse curriculum for the high school physics classroom.
Friction friction is a force that always exists between any two surfaces in contact with each other. This lesson starts with students exploring what factors affect the force of friction. Friction is the next topic in our study of newtons laws of motion. Pdf feel the static and kinetic friction researchgate. Given the difficulty in teaching modern physics for high school students, it is expected that the. So it is going to be connected to the coefficient of friction, and the masses of the books. As a result, active physics provides all students with a deep and memorable learning experience. High school physics solutions, examples, videos, games. In this resource, there is a nonfiction reading passage based on the force. Next, you will measure the coefficient of kinetic friction between two.
If we just want to have friction on an object, it is just going to be. Our physics products enable student and educator success so that you can spend less time troubleshooting and more time teaching your students about the scientific principles of the world around them. Assuming that physics books were not being rewritten. While a common force, the behavior of friction is actually very complicated and is still not completely understood. Readings classical mechanics physics mit opencourseware. Questions to go with the magic school bus episode about friction magic school bus plays ball. Objective the objective of this experiment is to investigate kinetic friction and drag force.
The smaller the amount of normal force weight, the less friction created and the least surface area and. They are easy to carry out and can be done with commonly available materials. You will measure frictional forces using a spring scale to measure the force. The ap physics 1 and physics 2 algebrabased courses are designed to promote student learning of essential physics content and foster development of deep conceptual understanding through an inquirybased model of instruction. The force of static friction is a force between two surfaces that prevents those surfaces from sliding or slipping across each other. Use the search engine to help you find a particular lab. In this video dan fullerton provides a brief overview of frictional forces and the coefficient of friction for students in high school physics courses including regents physics, ib, ap physics. The factors being tested will include the effect of surface texture, weight and surface area contact on friction. Fs s n 2 where s is the coefficient of static friction.
Papers are connected only by the arrangement of alternating sheets. This value is only an approximation because the magnitude of g depends on the altitude of the object as well as the latitude of the location. In this lab, you will make some basic measurements of friction. Find materials for this course in the pages linked along the left. She holds the book stationary against the wall as shown. To investigate the coefficient of friction for a given surface and the effects that factors such as weight, surface area and changes to the surface have on the coefficient of friction. Physics laboratory and activity manual paso robles high. Friction physics skip to main search results amazon prime.
Friction and equilibrium a powerpoint presentation by paul e. Friction william morris leo hayes high school friction page 2 purpose. To determine s, we will measure the socalled limiting angle of repose, defined. In this lab you will investigate the factors that affect friction.
Well measure the coefficient of kinetic friction for a wood block sliding on a plane and demonstrate that the friction force is independent of the area of contact and that the force is proportional to the normal force acting on the block. How many pages have to be interleaved before the books resist being pulled apart. Then a short lecture gives them the friction equation where they learn about the coefficient of friction. Click on the picture or the program title to go to the program or click on see resources to see a description of the program and all the resources that go with this program. Tippens, professor of physics southern polytechnic state university a powerpoint presentation by. About 20 percent of the engine power of automobiles is consumed in overcoming frictional forces in the. It is differentiated for your high, mid, and lower level students as you study gravity, motion, and friction.
Phone book friction science activity at science buddies. This class includes the opportunity for students to use the personal response system prs. On this page, we have a series of free online high school physics videos and lessons. Thousands of hours went into making them and they are a gift to. The goal of this lesson is for students to investigate the factors that affect friction. The force of friction we will be completing a formal lab report on the force of friction you will record a rough draft of the investigation in your science notebook your final draft must be typed, double spaced, and have standard margins due beginning of 2nd quarter exact date tbd. Friction lab strand force, motion, and energy topic investigating motion primary sol 4.
Correction to force of friction keeping the block stationary. You just have to go into a lab, get it, or look it up in a table. Brown physics textbooks introductory physics i and ii a lecture note style textbook series intended to support the teaching of introductory physics, with calculus, at a. Many of the ideas are unique to this book and will not be found in standard text books or teachers z guides. Intuition on static and kinetic friction comparisons. Partner content 49ers steam education science behind the game force and motion. Friction is the external force acting on the ball causing. Friction is a force that slows things down and keeps them from moving. Friction is a force that is around us all the time that opposes relative motion between surfaces in contact but also allows us to move which you have discovered if you have ever tried to walk on ice. High school students learn how engineers mathematically design roller coaster paths using the approach that a curved path can be approximated by a sequence of many short inclines. It was guillaume amontons who first established that there existed a proportional relationship between friction force and the mutual pressure or force between the bodies in contact.
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. Your planted foot can grip the ground and push backward, which causes the ground to push forward on your foot. Friction experiment new york university tandon school of. If you get really interested in material science, it might be the kind of thing you have to deal with in graduate school, but not something that you have to worry about in high school physics. This is the same force that allows you to accelerate forward when you run. From kinematics to optics, vernier sensors and technology help your students connect the dots between the classroom and the real world. If you place several marbles between the two books, they can still slide past one another. Sliding textbooks experimental setup visual aid pdf. Physical science for middle school student textbook. She observes that the force of friction between the crate and the floor is. The physics classroom serves students, teachers and classrooms by providing classroomready resources that utilize an easytounderstand language that makes learning interactive and multidimensional. We recognize that relationship when we divide friction force by normal force and identifying the quotient as the coefficient of friction. Even in deep space, bits of micrometeorites will hit a moving object, causing some friction although it is incredibly small.
Frictional forces, such as the traction needed to walk without slipping, may be beneficial, but they also present a great measure of opposition to motion. Textbooks for high school students studying the sciences physics grades 10 12. Friction, force that resists the sliding or rolling of one solid object over another. In this lab, you will experimentally find the value for the coefficient of friction for a variety of surfaces.
These values of static friction force and sliding friction force can be obtained from the software program which accompanies the lab interface. The new resourceful physics teacher this superb teaching resource contains over 700 fun and informative ideas and experiments for teachers and pupils in physics. Find three different surfaces to slide or push the textbooks on examples. There are sliding friction experiments, a phone book friction experiment, a way to make rice stick together, an experiment to create frictional heat, and lots more friction experiments for all ages. Active physics is based on the research on how students learnencapsulated in the 7e instructional model elicit, engage, explore, explain, elaborate, extend, evaluate. They lead the other end of the thread, respectively. Brown physics textbooks introductory physics i and ii a lecture note style textbook series intended to support the teaching of introductory physics, with calculus, at a level suitable for duke undergraduates. Jun 20, 2017 test which surfaces create more friction, see how strong friction is, learn how to reduce friction, and even discover the side effects of friction. What observations can you make about friction in this process. Lab 7 friction objective the objective of this experiment. Designed to help students develop their intuitive abilities in physics, the third edition has been updated to take advantage of modern equipment realities and to incorporate the latest in physics education research. Laboratory manual paul robinson san mateo high school san mateo, california illustrated by paul g.
Key concepts include c friction is a force that opposes motion. In this lesson, learn about five simple rules that will help you to understand and calculate friction forces. In the field of study we refer to as physics we just try to make the things everyone has. Physics teachers inventions fair 17 1 simple friction experiments anna hajdusianek institute of physics, wroclaw university of technology abstract in this article several experiments with friction are presented. In this laboratory we will measure the coefficients of static and kinetic friction of wood on wood and plexiglass on wood. Put friction to the test with this fun family physics activity. These books were written by volunteers who want to help support education, who want the facts to be freely available for teachers to copy, adapt and reuse. Friction is a force that occurs when two surfaces touch. If we push a book on a horizontal table with a certain initial velocity, it eventually comes to rest. Questions are posed to the class to stimulate discussion and indicate how concepts are going over. In this experiment we will classify the various forms of friction that are encountered in. Free practice questions for high school physics understanding frictional force.
We recognize that relationship when we divide friction force by normal force and identifying the quotient as. There is no such thing as a perfectly frictionless environment. First you will measure the coefficients of static friction between several combinations of surfaces using a heavy block and a set of hanging masses. Refer to your how to write a formal report for guidance. The purpose of this laboratory is to provide students with the opportunity to investigate friction between various materials and to determine coefficients of friction for wood, teflon, and rubber on an anodized. There are two kinds of friction, based on how the two surfaces are moving relative to each other. The purpose of this laboratory is to provide students with the opportunity to investigate friction.
As the force due to friction is moving in the opposite direction to the force mary will exert, it should appropriately be labelled as negative. The purpose of this license is to make a manual, textbook, or other functional and useful doc. Fhsst physics wikibooks, open books for an open world. In each lab, author david loyd emphasizes conceptual understanding and includes a thorough discussion of physical theory to help. Plot the force of friction vs the normal force use the applied force pull as the frictional force and weight as the normal force. Understanding frictional force high school physics. Record your estimated force in your data table as your force appliedforce friction column. Students do this in an inquiry lab where they come up with the variables and test how those variables affect the force of friction. Friction lab friction is a force that occurs when two surfaces touch. Ideal for use with any introductory physics text, loyds physics laboratory manual is suitable for either calculus or algebratrigonometrybased physics courses.
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