This experiment explores properties of two types of mechanical energy, kinetic and potential energy. Aug 26, 2019 in this lab, students will investigate the law of conservation of energy. Friction in the pendulum a b when the pendulum swings from a. Mass and energy are two examples of quantities that must remain conserved for a closed system. Unlike mass and energy, entropy can be produced but it can never be destroyed.
Scroll down to the folder for the unit you are looking for. During the lab, students will become familiar with solving a problem involving the conservation of potential and kinetic energy. Newtons laws of motion especially fma forces, mass, velocity, acceleration etc. There are several forms of energy with which you may be familiar, such as solar. It is interesting and useful to consider things that do not change. An apple falling off a cliff has gravitational potential and kinetic energy, so it therefore has mechanical energy. Conservation of energy with a peg and pendulum 2 introduction. Conservation of energy total mechanical energy we sometimes call the total energy of an object potential and kinetic the total mechanical energy of an object. Conservation innovation grants cig are competitive grants that drive public and private sector innovation in resource conservation. If the value of a physical quantity is conserved, then the value of that quantity stays constant. Energy conservation is the practice of decreasing the quantity of energy used. Mechanical energy in this lab we will study and investigate the concepts of potential energy, kinetic energy, conservative forces and the conservation of energy in more detail. Nsta aheec curriculum guide elementary grades 35 the americas home energy education challenge aheec is designed to help educators.
Quiz percentage final target score x quiz percent conservation of energy lab energy at the top of the ramp is in the form of potential energy energy at the bottom of the ramp is in the form of kinetic energy not all of the energy at the top of the ramp is converted to k. Also include a brief explanation of the steps and procedures followed for this experiment, in your own words. The student will be able to verify the laws of conservation of energy. Lab 4 conservation of mechanical energy andrews university. In this lab exercise one of these conservation principles, the conservation of energy, will be explored. But have you ever wondered what the relationship is between a stretched rubber band at rest and the energy it holds. The initial energy put into a system is equal to the energy given out by the system. Green labs guide energy use varies widely across the university, from energydense laboratories to offices to student houses, each posing very different. The equation for coe is the subscripts of i and f stand for initial and final. Suppose the mass m is returned to the initial position as indicated by the drawing below. The results of the radiological and nonradiological environmental monitoring programs for nrf are summarized below. Comparison of results with expected conservation of energy trial loss of momentum percent loss. This is known as the law of conservation of energy. Alaska 227f 1037f 59f 325f 1517f 76f 1145f unpressurized sofc subatmospheric turbine 2 1 0 4 5 7 6 8.
Cig projects inspire creative problem solving that boosts production on farms, ranches, and private forests ultimately, they. Notice that the force f is in the opposite direction as. Transferring kinetic energy to thermal energy exploration the law of conservation of energy states that the total energy of an isolated system remains constant. This lesson focuses on the conservation of energy solely between gravitational potential energy and kinetic energy, moving students into the research and revise step. Energy conservation dept of electrical engineering 11 2. Problem set key for conservation of energy with dissipated energy. Phy 3 lab 5 conservation of energy the purpose of this lab is to experimentally verify the conservation of mechanical energy. At the bottom of the hill, the car has a speed of 27. The ground h f f initial position final position 1. Mechanical energy doesnt mean that it always has to involve machines. Conservationofenergy forthisexperiment,wewillfurtherourunderstandingofenergyandworkinnewtonslaws ofmechanics. Physics 1050 experiment 4 conservation of energy question 1.
Potential energy is energy that is associated with and attributed to the con guration, position and arrangement of particles within an object that. The law of energy conservation tells us that the total mechanical energy of the system i. Law of conservation of energy worksheet teachers pay. Energy is not being created or changed, it is only changing forms or transferring from one object to another. Law of conservation of energy worksheet teachers pay teachers. Meter stick, glider, air track, computer interface, motion sensor background information. Draw and label the forces for free body diagram for the mass while it is on the middle of the track. Energy physics 211 lab n using your data, calculate the potential energy of the bag at the initial and final locations. Potential energy is a form of stored energy and is a consequence of the work done by a force. The total energy of a system is the sum of its kinetic energy and potential energy. The hi energy rating program the ultimate goal of the energy conservation standard for pumps is to reduce the power consumption. Examples of forces which have an associated potential energy are the gravitational and the electromagnetic elds.
Alaska 227f 1037f 59f 325f 1517f 76f 1145f unpressurized sofc subatmospheric turbine 2 1 0 4 5 7 6 8 turbine generator compressor sofc 3 837f 1512f 59f 827f turbocharged sofc 1 0 2 4 5 turbine compressor sofc 3 497f 307f 96f 1517f 1025f 59f unpressurized sofc indirectfired turbine 1 0 2 4 6 5 7 turbine generator. The formative assessments such as the lab, the comparecontrast assignment and other activities will assess students knowledge of scientific inquiry, energy transfer and conservation, the connection between science and. P calculate the initial and final total energies and put these values in the chart. You are converting kinetic energy into heat energy. Students start out with a virtual laboratory, and then move into the notes and working of problems as a group. During the lab, students will become familiar with solving a problem involving the conservation of.
O using your data, calculate the kinetic energy of the bag when it was at the final location. To do this, we will examine the conversion of gravitational potential energy into translational kinetic energy for an isolated system of an airtrack glider and a falling mass. Conservation of energy 2 lab setup you will be releasing the car from each 5cm mark on the inclined region of the track. That is, the entropy of a system plus its surroundings i. Lab 4 conservation of mechanical energy introduction when a body moves, some thingssuch as its position, velocity, and momentumchange. To study the conservation of energy and momentum using projectile motion. The momentum p of an object is the product of its mass and its velocity. A set of associated activities focus on roller coasters to study the kinetic. Definitions for technical terms used in this report can be found in the glossary. In this lab, students will investigate the law of conservation of energy.
Energy car steel balls string photogate and data collector meter stick for the procedures, make sure you have a drawing of the rig and label the parts. Based on your answers to e, f, and g above, how much work does friction do on the marble as it rolls down the. The remote lab version aligns with the html version. Grading 50 points possible hit the target 500 one try only. The purpose of this lab is to study the law of conservation of energy by experimenting with 3 simple machines. Conservation principles play a very important role in physics. This statement is called the law of conservation of energy. Students will be able to explain the conservation of mechanical energy concept using kinetic, elastic potential, and gravitational potential energy. Specifically, they will be demonstrating how to maximize the conversion of potential energy into kinetic energy. Momentum physics is often concerned with what are called \conserved quantities. Aug 27, 2015 energy conservation dept of electrical engineering 11 2. Equal opportunity notice the issaquah school district complies with all applicable federal and state rules and regulations and does not discriminate on the basis of sex, race, creed, religion, color, national origin, age, honorably discharged veteran or military status, sexual orientation including gender expression or identity, the presence of any sensory, mental or physical disability, or.
Species conservation sample mass conservation equations momentum conservation nernst equation electrochemical losses cell voltage l r r. Conservation of energy lab woodland hills school district. The conservation principles are the most powerful concepts to have been developed in physics. Conservation of a quantity is a clue to a physicist that there is some underlying principle to be discovered.
Conservation of energy university of colorado colorado. Elastic potential energy lab introduction if youve ever been shot with a rubber band then you know it has energy in itenough energy to smack you in the arm and cause a sting. Conservation of energy 6 the lab the goal of this lab is to test the usefulness of the conservation of energy equation. In todays lab, the potential energy is gravitational potential energy given by pe mgy. It may be achieved through efficient energy use, in which case energy use is decreased while achieving a similar outcome, or by reduced consumption of energy. Law of conservation of energy the sum total energy contained in all the parts of any process remains the same. How do you think the following factors will affect the horizontal distance that a projectile travels when. Students will be provided with flexible rulers and 1 hot wheels car. Note that the potential energy of this mass changes as the cart moves because the height of the masses change while its kinetic energy changes only if the massand cart accelerate or decelerate.
Some of the pendulums original potential energy has turned into thermal heat energy. Data and graphs for the modified atwoods machine lab unit 5. P m m 2 m 1 0 conservation of mass p e e 2 e 1 0 conservation of energy. This lab is going to cover all of the different types of energy that you should be discussing in your lecture. It is neither created nor destroyedinstead it transfers from one form to anoth. Physics 1050 experiment 4 prelab questions these questions need to be completed before entering the lab. The total energy is a quantity that does not change. The ballistic pendulum is a wonderful way of demonstrating both the constant horizontal velocity in projectile motion and the conservation of momentum. When you rub your hands together vigorously, you feel the heat building up. Because there is no acceleration in the horizontal direction, the horizontal component v. Connect the motion detector to the digsonic 1 channel of the interface. In this lab we will calculate the potential energy a glider has on an air. There is a prepost test and clicker questions provided.
Part a playground ball measure and record the mass of the ball you plan to use in this experiment. The lab is designed as something of an open, handson assessment. All of the initial energy in your system, whether its kinetic energy or potential energy any type, gravity or spring, is equal to all of your final energy. So if the one type of energy decreases, the other type of energy will increase by a similar amount. Cig projects inspire creative problemsolving that boosts production on farms, ranches, and private forests ultimately, they improve water quality, soil health, and wildlife habitat.
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