The lab is done through the use of a string that has one end tied to a rubber stopper and the other tied to a number of washers. This is known as the centripetal force, and its direction will 3. The purpose of this lab is to gain experience in working with vector quantities. Lab 1 force table introduction all measurable quantities can be classified as either a scalar or a vector. Mccooey 3 december, 2016 centripetal force lab report problem definition. According to the equation 2, centripetal force is proportional to the square of the speed for an. Tang yui hong 6g 27 title centripetal force objective to verify the equation for centripetal force apparatus instrument descriptions 1 rubber bung circular, cylinder screw nuts and wire hook. Force table lab 1 1 introduction 2 what are vectors. Centripetal force lab todays lab is designed to investigate the relationship between the force acting on a mass while it is revolving in a vertical plane and both. Newtons second law of motion dictates that the force experienced by a solid. You will need both of your lvps for this experiment. Phys 1401 general physics i experiment 6 centripetal force i. Chapter 5 uniformcircularmotion and centripetal force name.
Centripetal force board experiments steve spangler science. This means that when velocity increases, then centripetal force increases as well. It is the resultant of some other forces such as tension, gravity, friction, elasticity, electric attraction etc. The abstract is a short summary of the main ideas found in the lab report. In this lab we will study the relationship between acceleration of an object moving with uniform circular motion and the force required to produce that acceleration. An object moving in a circle with constant tangential speed is said to be executing uniform circular motion.
Introduction 5 points the purpose of lab 2 was to demonstrate different methods of reaching a 1 rm and its. Centripetal force description in this lab, you will learn what forces are involved in moving a massive object along a curved path. Introduction this experiment is about centripetal force, the force that keeps objects moving in a circular path at a constant velocity. Using the information in steps 2 and 5, calculate the speed v of the bob. This force will then be measured statically and compared to the. Relationship between the centripetal acceleration and the. Find the percentage difference between the centripetal force and the corresponding static force.
Todays lab is designed to investigate the relationship between the force acting on a mass while it is revolving in a vertical plane and both the speed of the mass and the radius of the mass. Analysis and experiment of centrifugal force for microfluidic elisa. Physics centripetal force lab report force physics. So a centripetal force is a center seeking force which means that the force is always directed toward the center of the circle. From this crossarm is suspended a plumb bob to which additional mass can be added which will tend to move outward as the spindle rotates unless a centripetal force is supplied. The apparatus used in this experiment has a rotating vertical spindle with a horizontal crossarm at the top. In this experiment this force will be provided by a spring which stretches to allow the mass to rotate in a circle of known radius. The second mistake in our prediction did not actually affect the answer but it was wrong anyway. Physics lab report centripetal force phys 1441 studocu. A lab report is a self contained description of the experiment being. Data was collected on a strip chart instron model a1030 that monitored the force as a function of chart displacement. To understand how different factors affect the centripetal force of an object in uniform circular motion. Centripetal force lab loudoun county public schools. To that end, you will be required to write a lab report for each lab of the semester.
There are many di erent quantities that can be expressed as a vector, including the force acting on a particle. Carson ho, tang yui hong, john yu, justin kwong date. Dec 16, 2008 the weight of the stopper is very small compared to the centripetal force with these assumptions the weight of the washers and hanger is equal to the centripetal force. The purpose of this lab is to investigate the relationship between the radius, speed and mass of an object in uniform circular motion and the centripetal force on the object. For your first lab report, i have provided some questions to guide you. Centripetal force lab report julia mckay uconn physics. Lab possibilities for spring 2000 aae490 design, build, test class written by steven wulf, for dr. Levengood was an active participant in the blt research team, more than 100 lab reports were written presenting the results of his plant andor soil research on crop formations in the.
Determination of specific nutrients in various foods. Centripetal force lab saddleback college physics department, adapted from pasco scientific 1. We found that for a given force the acceleration of the glider was inversely proportional to the mass of the glider, in agreement with. This tutorial examines the relationship between inertia and acceleration. You will learn about the relationships between force, centripetal acceleration, and instanta. Imagine that you grasp the force probe hook and move the cart forward. Chapter 5 uniformcircularmotion and centripetal force. It should include 1 the purpose of the study or the question being addressed by the study, 2 the procedures used in the study, 3 the major results of the study, and 4 any conclusions drawn by the authors. Derivations of r using the component method for part iii. Our objective in this lab is to describe why the centripetal force is necessary for the circular motion.
After, we used a meter stick to mark out our fixed radius position by sticking a piece of tape on to the string. The elevator in this short experiment, you will discover what happens as you ride an elevator. According to isaac newton, an objects natural state of motion is to stay at rest if its already at rest or to co. Ignore gravity the diagram to the right shows the setup for this lab. Centripetal force lab council rock school district. Centripetal acceleration and centripetal force are centripetal point toward the center of a circle or radial lie on the radius of a circle. Remote work advice from the largest allremote company. Come browse our large digital warehouse of free sample essays.
Centripetal force lab always be orthogonal to the velocity of the object in motion. Hanger, assorted masses the goal of this lab is to put a system into equilibrium by predicting a balancing force using both a. Seriously, does it work in reallife we will use f c ma c, r v ac 2, and v 2 r to find out in this lab. Directions in circular motion velocity v is tangential lies on a tangent to the path. Report once you have completed your research, you will need to prepare an investigation report that consists of three. Food selection in beavers based on tree species, size and distance. We varied both the accelerating force and the mass of the glider. Example conclusion physics 1cl fall 2010 introduction each week, you will have to write a conclusion on one section from the previous weeks lab assigned by your ta.
What are the factors that affect the centripetal force on a pendulum bob as the pendulum swings back and forth. In this experiment we will attempt to confirm the validity of newtons 2. Guidance for writing lab reports university of sheffield. Get the knowledge you need in order to pass your classes and more. Sample lab report e 3 afm amgm a g which does not depend on the mass in agreement with our data. Determine the relationship between force, mass, velocity, and radius for an object. Centripetal force is the required force to keep any object in accelerated motion within a curved path. Submit the formal report within 7 days from this experiment.
Statement of problem to determine the effect of centripetal force and radius on the velocity of an object undergoing uniform circular motion hypothesis if the centripetal force increases then the velocity of the spinning rubber stopper will also increase. The slope should be the mass m of the bob, and the y. Mpe open ended laboratory sheet for mechanics of machines lab. Law by analyzing the motion of two objects glider and hanging mass on a horizontal airtrack. The motion of an object is determined by the strength of the force applied to move. Introduction when an object travels in a circle, even at constant speed, it is undergoing acceleration. Samples of student report sections the report sections that follow are from various experiments. Julia mckay uconn physics march 17, 2011 centripetal force lab report purpose. If an object is not moving, then it is certainly not accelerating. Pretend that your swinging a cup of water in a circle above your head, do you want to figure out why the water does not spill.
Cnc procedure manual and lab reports purdue engineering. Add this force to the diagram above and label it f. Procedure centripetal force for this experiment, it is important to master the technique in swinging the rubber stopper attached to. Example long laboratory report mechanical properties. Atomic force microscopy an advanced physics lab experiment. That is, an object can be considered as consisting of many small point masses with constant distances. Centripetal force lab by christina cornell on prezi. Equipment cylindrical masses, brass and aluminum force sensor photogate string double rod clamp and support lab notes since creating true uniform circular motion in a lab setting can be difficult, in this lab you will. Force table lab 1 1 introduction the idea of vectors is one of the most fundamental and useful in all of physics. This is given by v distancetime 2 rnt, where r is the radius of the. On completion of this tutorial you should be able to.
In this experiment we will consider a situation of static equilibrium, i. How to read and interpret a lab report what you dont know can hurt you. Laboratory exercises for college physics hunter college. To practice adding force vectors graphically and mathematically in a simple geometry where. The object of this lab is to gain a thorough understanding of vector addition. Draw a free body diagram of the rubber stopper as it spins. A centripetal force is not an extra force that occurs by itself. Ruler and protractor introduction vectors are used to represent quantities having both magnitude and direction. Examples of scalar quantities are the number of students in a class, the mass of. Centripetal force lab introduction newtons first law of motion states that an object in motion stays in motion with the same speed and direction unless acted upon by an unbalanced force. Please make sure to put your student identification number on the first page of your lab report. Since the motion produced by such a force is also proportional to mass f ma r r, the gravity acceleration of any object should depend only upon the altitude.
I completed a lab recently, its called the centripetal force lab. This is accomplished by using the force tables to establish equilibrium for a particle, and correlate this equilibrium condition with the math of vector addition. First, we will calculate the theoretical acceleration by applying newtons 2. Science department lab report format general information. Since all forces come in pairs, what force is equal, but opposite to, the centripetal force that you drew in the diagram on number 1. In this experiment newtons first and second laws of motion were used to study and verify the expression for the force, f, to be provided to mass, m, to execute circular motion. Solid mechanics dynamics tutorial centripetal force this work covers elements of the syllabus for the engineering council exam d225 dynamics of mechanical systems c103 engineering science.
An object traveling in circular motion undergoes a tangential acceleration a t parallel to the object and a radial acceleration a c toward its orthogonal. Also, our objective is to explain how the frequency of rotation of the object, mass, and radius affects the magnitude of the centripetal force to form a constant circular motion. Physics lab report experiment m3 centripetal force school. Graphical solutions for the addition of vectors will be carried out. Department of aerospace and mechanical engineering.
Introduction in this section, you will outline the ideas you are going to explore through experimentation. So build your second lvps if you have not done so already. When the driver turns the wheel, the car is driven by the guiding force exerted on. View lab report centripetal force lab report from physics uconn phys at old saybrook senior high school. Centripetal acceleration is perpendicular to velocity. Does the centripetal force depend on how fast the pendulum bob is swinging. These labs allow the user to visualise the gravitational force that two objects exert on each other. If you are using a word processor for your lab report, then use the spelling. Centripetal force apparatus including smooth tube, string, rubber stopper, multiple washers, scale, meter stick, and. Practice whirling the stopper over your head while keeping the alligator clip just few. To investigate the relationship between the force and the period of revolution in the vertical plane. First,max,pim,patgail 102 objectives in this experiment, you will collect force, velocity, and radius data for a mass undergoing uniform circular motion. Centripetal force introduction this experiment is concerned with the force necessary to keep an object moving in a constant circular path. We, then, began to construct our device by attaching the stopper to the string with a bowline knot.
Arrange the apparatus as demonstrated by your teacher. In addition, we observed that when the person who spun the scale wanted to increase the velocity, they had to put more force in, which yet again proves the direct relation between velocity and centripetal force. Verification of the equation for centripetal force in your lab guide you have detailed information about graphically determining relations between variables. You will be using two sensors, the motion detector and the force probe. This force is directed towards the center of paths curvature and depends on the radius constant speed, and mass from the paths center.
Purpose to use a pasco apparatus containing a rotating brass object to confirm newtons second law of rotation by varying the following parameters. Calibrate the force sensor experiment calibrate lab pro by hanging two known weight from the sensor and inputting the corresponding force one can be zero newtons. Doc centripetal force lab report 1 enri kaw academia. Purpose to be able to understand and verify the relationship centripetal force, mass, velocity, and the radius of orbit for a body that is undergoing centripetal acceleration. When velocity decreases, so does the centripetal force. Well, we have a pretty incredible physics demonstration to help you understand just why you remain dry. Calculate the centripetal force for each of the row entries in table 1. On the force table, place pulleys at the positions of vectors. Open logger pro and connect the force sensor and motion detector to the lab pro. The results section of a lab report contains an impartial description of the results. Take data to test your prediction concerning the scales reading. Practical applications centripetal force lab this lab could provide extrememly useful information for real life. A scalar has only magnitude while a vector has both magnitude and direction. Experiment 7 centripetal force distance is the same as the radius r of the circle made by the bob when it was rotating.
Centripetal force summary the physics hypertextbook. The alligator clip must be just below the tube and. Questions for afm lab report university of illinois. There are two similar labs that you can see if you create a space, feel free to choose which one to use. The force table allows us to manipulate and measure the effects of vector quantities. Computer with datastudio software, pasco interface and force sensor 2. We started by massing these items and recording our findings. Centripetal force lab report brooke caron mr mccooey 3. In this case the acceleration acts not to increase or decrease the magnitude of the velocity vector, but. Chapter 5 uniformcircularmotion and centripetal force 5. Although they are not perfect, they are very well done and should provide guidance. Experiment cf centripetal force mit opencourseware. To determine the relationship between centrifugal force and speed of the.
You will place a mass on a scale and observe what happens to the scales reading as you ride. Its called the centripetal force board, and it will help you experience the physics and forces at play when three plastic cups of water leave you high, dry, and with new handson science topics in mind. Adding forces with a force table goals to describe the effect of three balanced forces acting on a ring or disk using vector addition. Specifically, which of these components are involved in transferring a vertical height change into a digital signal. Physics laboratory report sample phy 223 lab report newtons second law your name.
Without this force, an object will simply continue moving in straight line motion. Physics centripetal force lab report free download as word doc. Examination of protozoan cultures to determine cellular structure and motion pattern. Introduction the objective of this experiment is to measure the force needed to keep a mass rotating around in a circular path. In order for an object to undergo circular motion, a constant force is required to keep the objects constant circular path. Introduction introduction one purpose of this lab course is to develop your ability to communicate technical data through written documents.