If the spring is elastic, then it will return to its original. The work done can be found from the area under the graph. For the steel spring, add 500 g mass to the mass hanger. The primary purpose of the lab is to study hookes law and simple harmonic motion by studying the behavior of a mass on a spring. Ideal as a homework, this activity explores hookes law through an investigation. Read on to find out just how to combine multiple pdf files on macos and windows 10. Description this activity guideline is prepared, keeping the curriculum. How are force and displacement related when stretching a spring. Hookes law essential physics teacher lab manual pasco. Home courses science trigonometry based physics dynamics 1d. Most electronic documents such as software manuals, hardware manuals and ebooks come in the pdf portable document format file format. The graph of stretching force against extension, for material that obeys hookes law, is a straight line through the origin.
The cognitive law expressed by equation 4 is formally identical to hookes law of elasticity. Calculate the increase in length or the extension of the spring by subtracting the initial length. You can use the tools in paint to add something to a different document. Description this activity guideline is prepared, keeping the curriculum of indian students in mind. In order to stretch, we need a force defined as f kx. If hooke s law holds for the spring and the data fits a straight line, then the motion of masses vibrating up and down on the spring should be simple harmonic motion. I added the newtons proportionally, 1 newton at a time, as i could observe the extension pattern and understand hookes law better. Our mission is to provide a free, worldclass education to anyone, anywhere. If your pdf reader is displaying an error instead of opening a pdf file, chances are that the file is c. A huge and revolutionary improvement happened to the whole understanding process. Newton, which will produce an elongation of one meter in the spring. Gradient slope change in f change in e spring constant s. Hookes law ppt free download as powerpoint presentation.
Hookes law holds up to a maximum stress called the proportional limit. This equation is only valid for constant forces, but f s depends on x, i. The pdf format allows you to create documents in countless applications and share them with others for viewing. To combine pdf files into a single pdf document is easier than it looks. According to hookes law, the negative of the slope of the force vs.
Hookes law form 2 physics secondary school esomake. Mike dickinson hooke s law hookeos law remember to do all work in your lab notebook. X here f force k spring constant x extension the elastic limit can be seen on the graph. The law of elasticity hookes law center for the advancement of. The gradientslope of such a graph gives the spring constant of the spring used. Aim explain the concepts of hookes law identify the point on a graph where hookes law no longer applies. Pdf topik skripsi mahasiswa perlu disejajarkan dan berada pada barisan terdepan bersama penelitian dari kawasan lain. Hookes law states that the extension of a spring is proportional to the applied force, provided that the force is not large enough to deform the spring permanently. Science physics library work and energy springs and hooke s law. Hookes law in terms of stress and strain is stress strain in terms of the definitions l l y a f the constant of proportionality is called the elastic modulus or youngs modulus. Physics for igcse physics pages 6061 23rd november 2011 cie igcse specification 1.
Sign in to your pasco account to access teacher files and sample data. Page 2 hookes law 1 table of results extension of spring massg force f n x m 50 100 150 200 250 300 graphs plot a graph force, f against extension x m find the gradient of the graph conclusion the extension of the spring is directly proportional to the applied force at the end of the spring. Hookes law lab file new jersey center for teaching and. Hooke s law states that extension of a spring is proportional to applied force. Guidelines for a physics lab reports baylor university. Hookes law and simple harmonic motion purpose 1 to study hookes law for an elastic spring 2 to. This file format is suitable for free and easy document and file exchange because of its openstandard nature.
Open or add a new excel worksheet and prepare it to record your new data by. The constant k is called the spring constant and is always a positive number. By michelle rae uy 24 january 2020 knowing how to combine pdf files isnt reserved. Pasco was hired by the california highway patrol to teach officers the physics they need to.
It is a file format developed by the adobe systems company an. This article explains what pdfs are, how to open one, all the different ways. In this investigation you will measure force from the spring, and spring deformation spring deflection using the force and position sensors on the smart cart. A pdf file is an abbreviation of the term portable document format. Our present interest is in whether or not the data will fit on a linear trend line. Luckily, there are lots of free and paid tools that can compress a pdf file in just a few easy steps. Pdf file or convert a pdf file to docx, jpg, or other file format. Extension produced in a spring is directly proportional to the stretching force or load within the limit of proportionality. The constant of proportionality k is called the spring constant. A lab report should include a title page like this one with all of the appropriate your name first, then information. F is the applied force in newtons, n, x is the extension in metres, m and k is the spring constant in nm.
Hookes law springs a spring is usually a coiled piece of metal or plastic that has the property of stretching when pulled andor compressing when pushed. Cie igcse forces hookes law only elasticity physics force. To conclude, this software would make an excellent addition to any school physics department. Understanding hooke s law is a major part of every physics curriculum. The results suggest that participants inte grated load weight with imagined elasticity rather than with spring length. Hooke s law describes how the force exerted by a spring relates to the stretch of the spring. Hookes law universal 550 physics experiment manual pasco. Cie igcse forces hookes law only elasticity physics. For the brass spring, the mass hanger is su cient to do this. An increasing work is needed for each extension as the force increases. Save teachers time and engage students with a new, simpler interface.
Calculate the stretching force using f mg, where g 10 nkg. Next attach the support table for the masses to the spring. Record and tabulate all results in table below showing all headings and units mass on hanger m kg stretching force mg n scale reading mm extension of the spring mm plot a graph of extension against the stretching force. Highway patrol to teach officers the physics they need to know to evaluate. During the hookes law lab you will hang different masses from a spring and measure the displacement of the spring from equilibrium. Today we will learn about the physics involved in a spring, and why the. Hooke s law determine the initial mass, m 0, by weighing the support table.
Analyze how different combinations of spring affect the stretching of a system. Physics investigation on hooks law free essay example. Depending on the type of scanner you have, you might only be able to scan one page of a document at a time. Core state that a force may produce a change in size and shape of a body plot extensionload graphs and describe the associated experimental procedure supplement interpret extensionload graphs state hookes law and recall and use the expression f k. Here f is the restoring force or the force exerted by the spring on the external agent and k is a. This means it can be viewed across multiple devices, regardless of the underlying operating system. An oversized pdf file can be hard to send through email and may not upload onto certain file managers. Your goal will be to extract a measure of the stiffness of one particular spring. Hookes law utk department of physics and astronomy. In order to calculate pe s we have to determine the work done by the spring.
Validate hookes law use hookes law to determine unknown masses and an unknown. Validate hookes law use hookes law to determine unknown masses and an unknown value. Itll be useful for the indian students of 11th12th grades. Hooke s law describes this behavior, and we would like to verify this in lab today. So for a general potential vx, the k v00x0 equivalence implies that the frequency is. Solids, i, with my students worked together on flashyscience along the last semester. Hang a 1 on first spring and record the elongation. If your scanner saves files as pdf portbale document format files, the potential exists to merge the individual files into one doc. According to hooke s law, a spring should be as long as x from its normal length. Basic overview of the hooke s law formula, with experimental example and graph.
The force pullspushes the object back towards the equilibrium position minus sign. Hookes law the force a spring provides to an attached object is proportional to the amount that the spring is stretched or compressed from its equilibrium position. How to shrink a pdf file that is too large techwalla. As the string stretches, the restoring force increases. Theory the shape of a body will distort when a force is applied to it. It is accessible by all of the students from home as well as school so the experiment could be set as a homework fantastic.
The equation of energy of the spring is shown below. A student stretches an elastic band with a spring constant of 50. Adobe designed the portable document format, or pdf, to be a document platform viewable on virtually any modern operating system. To measure the spring constant of a spring using two different methods. This experiment allows you to apply force using weights and measure how springs of different stiffness extend in response. Review of the topics of work, energy, power and hookes law covered in the ap physics 1 curriculum.
It could be in newtons per cm, dynes per mm, pounds per furlong, etc. Thus, a potential energy the spring potential energy, pe s can be associated with it. Measure the position of the end of the spring after the table has been attached. The minus sign in front of the spring constant in equation 1 indicates that the elastic force and stretch act in the opposite direction. In this lab we will measure the spring constant of two springs using two different methods. Hookes law and a simple spring 09 24 2010 joe student ima pigg hedda lettuce period 1 assemble report using a staple in the upper left corner. The paint program can help you make new image files, but it cannot open document or pdf file. By taking several measurements, you will extract the spring constant of the spring by plotting force on the spring vs.
This gives only the magnitude of the force of the spring and ignores the direction. This shows that hookes law does have a limit, as does a spring and does have limitations and if kept within these boundaries will provide reliable accurate results. I paid for a pro membership specifically to enable this feature. A pdf file is a portable document format file, developed by adobe systems. Pdf is a hugely popular format for documents simply because it is independent of the hardware or application used to create that file. Work done by multiple forces west virginia university. Hooke s law hooke s law describes how springs respond to having forces applied.
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