Centripetal force board experiments steve spangler science. The dualrange force sensor is a generalpurpose device for measuring pushing and pulling forces. Equipment string stopper hollow tube stop watch computer. Mount one on the new centripetal force apparatus, on a ring stand or even as a replacement for a handheld spring scale.
Use it to study friction, simple harmonic motion, impact in collisions, or centripetal force. Students can investigate the relationships among force, mass, and. Project motorize vernier centripetal force apparatus. 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 the speed of the mass and the radius of the mass. Choose from over 1,000 well tested, readytouse experiments designed to help you integrate probeware into your curriculum. Visualize centripetal acceleration in the motion of a hoverpuck anchored by a string, then observe what happens when the centripetal force is removed. By exploring this relationship it was determined that centripetal force was proportional to the size of a bodys mass, and inversely proportional. For the experiment we will zero out the weight of the mass. It allows students to easily and accurately see the relationship between centripetal force, tangential velocity or angular velocity, radius and mass.
Additionally, because the radius of the apparatus and the mass of the scale is constant, it doesnt affect the outcome of the experiment. In the case of curvilinear motion, two types of force come into the picture, i. After you submit a sim request to borrow equipment or obtain the services of the mobile educator, then you will be emailed both the student and teacher versions of the experiment in word format. Use this relationship and newtons second law to determine an expression for centripetal acceleration. Go direct centripetal force apparatus vernier software. 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. After having my classes perform the old string and glass tube lab over several years i felt, as i think many others do, that the data collected by the students was of limited value. Centripetal force apparatus instruments direct services. The centripetal force apparatus goes wireless vernier software. Lab 5 uniform circular motion introduction if you have ever been on an amusement park ride that travels in a curved or circular path, then you have experienced a force, called a. Explore rotational dynamics through an investigation of the force required to keep a mass in circular motion.
Purpose to use a pasco apparatus containing a rotating brass object to confirm newtons second law of rotation by varying the following parameters. Get free experiments, innovative lab ideas, product announcements, software updates, workshops schedule, and grant resources. An object moving in a circle with constant tangential speed is said to be executing uniform circular motion. Bill jameson deforest area hs, deforest, wi sent us a clever, inexpensive lab idea for studying centripetal force. It can also be mounted on a dynamics cart to study collisions. The renewable energy with vernier lab book features 26 experiments in wind and solar energy. We have to graph the data we collect and determine a mathematical model that describes the relationship. Investigate circular motion by measuring centripetal acceleration in relation to the radius of rotation and angular velocity. A photogate can be used to measure the angular speed. The quantitative centripetal force apparatus simple concept and robust construction guarantee reliable lab success. It can be easily mounted on a ring stand or dynamics cart mounting bracket included, or used as a replacement for a handheld spring scale. A force sensor measures the centripetal force exerted on a mass as it moves in a circle.
Student also research what centripetal acceleration is and how it relates to centripetal force. This lab report explores centripetal acceleration and force, and their relationships with a swinging bodys mass and velocity. Centripetal and centrifugal force definition, examples. Logger pro 3 use this computer program with labquest 2, labquest. Designed specifically for education and held to high standards for quality, vernier technology is built to be durable. Arnold pp 224 17 fleming j a and clinton w c 1903 on the. Vwr offers a complete catalog of instruments and tools useful for demonstrating key, basic concepts of physics that are applicable to everyday life both in and out of the laboratory. We predict that, like the centripetal force equation states, if the velocity is increased, then the centripetal force will increase, and vice versa. Using a vernier caliper measure the diameter of the cylinder mass. Purpose the purpose is to find the relationship between centripetal force and tangential velocity. 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. This is an improvement on an idea he had written for the physics teacher in december 1999. It could be some clarification in the instructions, or some suggestion about the procedures.
It can be used as a replacement for a handheld spring scale or mounted on a ring stand. Vernier lab book, energy of a tossed ball, kathy morello and her students from st. The apparatus also accommodates the vernier wireless dynamic sensor system to measure force, which provides the best set of data. Vernier centripetal force apparatus in use video see more. Different masses can be added to the platform and positioned at variable radii. Centripetal force is a difficult topic to teach, and it is even more.
The go direct centripetal force apparatus and go direct force and acceleration sensor make an ideal combination to explore rotational dynamics. Place sensors on dynamics carts to investigate forces and accelerations in collisions. Advanced physics with vernier mechanics with labquest. Go direct centripetal force apparatus can be used in a variety of experiments. 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. Get free experiments, innovative lab ideas, product announcements, software updates. You may edit the lab to meet your specific needs and make copies for use with your classes. Experimental study of the centripetal force 16 tyler f 1974 a laboratory manual of physics. Demonstrate core ideas such as acceleration down a plane, friction, potential and kinetic energy, electrical conductivity, magnetic. However, we didnt had to spend much force for spinning compare to the 100g run. Force sensors are a classic component of any physics lab and provide students with a chance to visualize motion in realtime. In this case the acceleration acts not to increase or decrease the magnitude of the velocity vector, but rather to change its direction. The accepted value is the centripetal force equation, fcmr times v2.
You will be able to change the force holding the object in a circle by clicking on the washers each washer is 10 grams. Centripetal force apparatus order code cfa the centripetal force apparatus cfa facilitates the study of circular motion. Use the vernier dualrange force sensor in a wide variety of experiments including the study of friction, simple. 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. The sensor configuration of the centripetal force apparatus ensures reliable data.
Students collect data on distance from the center of rotation and angular speed, in order to determine the centripetal acceleration. Two experimental conditions were measured using 1 a simple pendulum and 2 a rotating table. See more ideas about lab equipment, centripetal force and science equipment. It could also be a tip youve learned about the vernier stuff the hardware sensors, or the software. Centripetal force and the tangential velocity of the accelerating object. This page roughly outlines my solution to the inadequacies of the central force particle uniform circular motion lab. The vernier centripetal force apparatus allows you to investigate the relationship between centripetal force. Any force can act as a centripetal force, be it gravity, tension, friction or a combination thereof.
The lab that we have conducted is to verify the relationship that exists between the centripetal acceleration and the velocity of the object undergoing this force. Understand that the centripetal force acting on or the centripetal acceleration of an object moving in a circular pattern is governed by one of two relationships sensors and equipment this experiment features the following vernier sensors and equipment. Collect force, velocity, and radius data for a mass swinging as a pendulum. Determine the relationship between force, mass, velocity, and radius when the force is perpendicular to the velocity. It can be easily mounted on a vernier dynamics cart for use with the vernier dynamics system. Vernier software dual range force sensor dfsbtadualrange force sensor for labquest, labpro, go. Centripetal force lab saddleback college physics department, adapted from pasco scientific 1. Centripital force apparatus tech tips with vernier youtube. This bracket and hardware is also able to attach some thirdparty sensors.
Dual range force sensor tech tips with vernier youtube. This lab will let you determine the speed needed to keep an object in circular motion. Force acts differently on objects depending on the type of motion it exhibits. Centripetal acceleration lab nathan venger experiment. This means that when the velocity is higher, the centripetal force increases and when the velocity is lower, the.
For the result of all experiment, if we compare both result graphs and the formula of centripetal force together. Practical applications centripetal force lab this lab could provide extrememly useful information for real life. When students use the go direct centripetal force apparatus with a go direct force. Vernier software dual range force sensor dfsbta walmart. We have spent decades developing innovative force sensors and load cells that continue to push the boundaries of motion experiments.
According to isaac newton, an objects natural state of motion is to stay at rest if its already at rest or to co. Please submit a helpful suggestion or two to improve the centripetal force lab instructions. Relationship between the centripetal acceleration and the. Pasco capstone software for datalogging with pasco probeware and video analysis. In this lab students will explore multiple variables of centripetal acceleration. Vernier products are designed specifically for education and held to high standards. Introduction hypothesis the relationship that exists between the centripetal acceleration and the angular velocity of the object is a square root function. It can be challenging to find a safe wet lab activity that demonstrates the periodicity of commonly studied properties of the periodic. 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. Well, we have a pretty incredible physics demonstration to help you understand just why you remain dry. Our probeware is supported by active, handson experiments and teacherfriendly technical support. A dualrange force sensor is mounted on the rotating board.
1543 152 393 1058 1659 130 1309 483 575 1003 1026 35 669 495 541 497 339 901 141 890 595 1025 497 1207 1202 1464 114 863 1030 1008 1084 821 589 711 523 590 225 1588 198 1421 231 1216 1478 686 85 1378