work, power and energy lab


Go over Springs and Conservation of Energy Hwk: Continue working on Barbie Bungee; Extra Practice with Springs ; Answers (scroll down. If she applied a 650 N force during that time with the same power output, how far did she swim? Topics and Subtopics in NCERT Solutions for Class 11 Physics Chapter 6 Work Energy and Power: Section Name: Topic Name: 6: Work Energy and power: 6.1: Introduction: 6.2: Notions of work and kinetic energy : The work-energy theorem: 6.3: Work: 6.4: Kinetic energy: 6.5: Work done by a variable force: 6.6: Begin Workout Lab 3. In this article, we will learn all about the concept of work, power and energy. Work and Energy are closely related terms which are quite often used in our daily life activities. By converting our sims to HTML5, we make them seamlessly available across platforms and devices. We do work because we must counteract its You have provided all information about work, energy, and power. Theoretical Background: Work done by constant force, F acting on an object so that it moves through a displacement, d is The work has linear relation with displacement. Work can also be defi… power = work ÷ time = 3,640 joules ÷ 15 sec = 242.7 joules/sec = 242.7 watts. Finish word problems Day 3: 11/15 1. Power. endobj Rube Goldberg Project - this will replace a test, quiz, or lab score. Energy 3. Gravitational potential energy and conservative forces. Work/energy problem with friction (Opens a modal) Conservative forces (Opens a modal) Power (Opens a modal) What is power? Because energy is the capacity to do work , we measure energy and work in the same units (N*m or joules). One of the most important concepts in science is energy. Work is a force applied over a distance. PHYS 1030 General Physics I Lab – Work - Energy Principle In this lab you will perform an experiment to understand and analyze the relationship between work done on an object and the change in its kinetic energy. Spierings, Spring 2012, Physical Science, Motion/Force - Work, Power, Energy. There are, however, many cases where the force is not constant. Finish work and power notes 2. >> About; Teacher Guide; Using Lab Notebooks; Share; The Photo Gallery. SI units for power. Learn. 2 0 obj That is, when an external force moves an object through a distance it does work on the object which is evidenced by a change in its velocity or its kinetic energy, KE = ½mv 2. 1. The unit used to measure work and energy is a joule. Every engineered device that moves, lifts or pushes requires energy. But memorizing the equation for work isn't actual workin physics. But in physics, we define work a little differently. 5 0 obj The Laboratory. It is from its definition that power is the rate of doing work at specific displacement. stream This energy we get from … That attraction arises from the Earth’s large mass, not the fact that it is spinning. Equal to 746 watts. I love this. Work is defined as a force applied through a displacement in the direction of the force. x��}�nɕ�{|E=Ȁ&�K����=32,�q J�HZT-���ߟ�K�Ȍ�,�Ur�$9/�}]{������ʯ�`��!�U�f(���J�9�>]�~^�W����f���J��������+��VZ��?�L�Wɕa|������7����Ǜ����_3�Y�y�z�_�[�����������f�&{���c�G^5�2>��������~9�Z�_�Չ��u�ژ��]�G7��x�fc~�y�G��z�YNB0f��\�Aq@���\x�Ȟ�k�s����n�qT�7�q�džeN>�2h�}ɓ�u��2e���m������aY֟wê���=/Κ)���1��Ȫ��&��W�I���}ȚI���^I��6rE��83I�O�3�O?����'���pE�h�A^>�պ���C;-4��-\���.�+QOW���W|$��q����.�q�+ The Work, Energy and Power chapter of this course is designed to help you plan and teach the students in your classroom about the various forms of energy and power in physics. How long does it takes a swimmer with a power output of 275 watts to accomplish 3600 J of work?. They are probably the first thing you learn in your Physics class. �I��y�^I&{%�q������|�Es�踘��1P�4CU3n9 )��8���f�~���޴�}��1��s~���x�T�M�NK�UM��|i����οnϞ�D.�4m��ٕ����ɨ�l�vC���m7�JW�+��X:Mv���]��R��}{*�%��NOs*�4=��S�y[ �����@�'Y7}�O�E�a'�?8�Ӱ�ھ���L�����u����Q��]=�Qy4��1@뷈f�|^^Q9/��ܢ���1w��-�y?��u�� ��Ҵ�w�F-웇�tŦ�y�=�S��墵ލ������:�E��u9-4�lVEy�_�����]����^ɁL��c�i&B�{Λ�B4�uA,�W��E����,E;�(��K�|1�D�?�D�+e1 3;�ܻ��.����̂Yn�&��}��X#���2�����l��. In this lab you will examine three physical quantities: Energy, Work, and Power and the related units of measure. Lectures by Walter Lewin. During this lab, we will focus on the concepts of work, energy, and power as applied to human movement. velisa October 17, 2016. Lab 3: Work, Energy & Power Essentials of Physics: PHYS 101 Most of us love the dear old Earth, in fact we’re quite attracted to it. 257,814 views Power is the time rate at which work is done. Once these foundations are laid, we can derive new concepts from the axioms, furthering our understanding of mechanics and allowing us to extend our study to new and more complex physical situations. Work Notes 2. Power = Work Done = Energy used time time In the first part of this lab you will learn how the work done on an object is stored as potential energy of that object. And for doing work energy is required. Here's how it's done. Now is your opportunity to find out! Power can be determined using work by considering the time. %PDF-1.3 The Work/Energy Equation says "The work done on an object by the net force on it equals the object's change in kinetic energy." Reply. Energy stored in an object is its potential energy as a result of its position. You will first consider the work done on a small point-like object by a constant force. When we lift a book away from the center of dear old Earth, we do work on that book. So, for example, pushing a box with 10 Newtons of force for 15 meters is work. Force exerted on an object that causes it to move. In this formula, E stands for energy, H stands for height above the ground and W stands for weight of the jar. Watts. In doing so, we first need to define (review) some concepts. Here in this topic, students learn more in detail about work, power, force, energy and how are they interrelated to each other. Work and Power 2. Work, energy and power are the most used terms in Physics. If you provide more examples and problems on work, energy, and power then it will be a great post. Therefore, the power is calculated as follows. In The following items should be in the Work and Energy portion of your notebook. Mathematically, work is represented by: << /S /GoTo /D [6 0 R /Fit ] >> 8.01x - Lect 11 - Work, Kinetic & Potential Energy, Gravitation, Conservative Forces - Duration: 49:06. This is so helpful, consice and easy. When work is done on an object by a force acting parallel to its displacement the formula is: workdone = force x displacement For positive work to be done, F and s must be parallel and pointed in the same direction. Specifically, students will use spring scales to determine the mass of different objects (SP5) and then explore the relationship between work done and the mass of an object (SP3, SP4, & SP8). It is the energy that measures the potential for work to be done. Work simulation and problems Day 2: 11/14 1. << /Length 4 0 R /Filter /FlateDecode >> %��������� Concepts Energy, Work, Power Introduction Ever wonder if you can be more powerful that a Ford Mustang? Intro to springs and Hooke's law (Opens a modal) What is Hooke's Law? equal to Joules(J)/Time(s) Horsepower. Summary on Work, Power and Energy Work is done when a force produces motion. %PDF-1.4 The goal for today's lesson is to apply that knowledge of work and energy (HS-PS3-3) in a lab activity. The rate at which work is done or energy is transformed is called Power. Terms in this set (17) Work. Title: mso2B794.PDF Author: SColeman Created Date: 8/1/2005 10:12:40 AM In that sense, work might be something you need to finish or learn in a certain amount of time. Whether you have laptops, iPads, chromebooks, or BYOD, your favorite PhET sims are always right at your fingertips.Become part of our mission today, and transform the learning experiences of … stream If we increase the displacement twice, work is also increasing twice. They should be clearly organized and easy to find. (Opens a modal) Springs and Hooke's law. •To compare the total work on an object to the change in its kinetic energy as a first step in the application of the so-called Work-Energy Theorem. /Length 2761 Gravitational potential … (Answer shown below.) Work and energy can be considered as two sides of the same coin. Work and Power Concept Check Day 4: 11/16 1. Review simple machines 2. For the experiments done here, energy can be measured according to the following formula: E = HW. .if you can't see the answers.. download the file and view it in Microsoft Wor Laboratory #5 Energy, Work, and Power Part A. I am More Powerful Than a Ford Mustang! POWER (P) is the rate of energy generation (or absorption) over time:P = E/t Power's SI unit of measurement is the Watt, representing the generation or absorption of energy at the rate of 1 Joule/sec. Work and Power Newton's Laws, and dynamics as a whole, provide us with fundamental axioms for the study of classical mechanics. They will make you ♥ Physics. Unit of power to compare work done by a steam engine to a horse. As the diligent students we are, we've all felt like we have way too much work to do. xڭ]�����~��ƛ�6�Mr�T�Nk�ۤ�5�N�J�N�)R&�\��,v)��tv���\bA`� �,��E��U,Q�.��;�x�_��^��r������m�����-��������m��_Jã�����Gz˪ -^Uys/�����Z�M�����7w������q�t���|��c��㌧�],u�,�wZX�U���{w�Ϟ�p?���p���q�d��E��q,������T�ƭLϘ3|���;�,%�Z�K X�S�ō 8B�2~ٟc+�R�k�IeY�r1�e�]�&-gB���h��"l|�`HfV���ɥ�f�����0Q�t���T+&лi9��Yv��rHh^B�[.QB-���]�512;�$aJ*��$���I��!�d&�f���E�2ql�1� ���̤�.������:�a�h�O� ��4�Q��j��%����b��-jCoH ~�p�$��.KD"��^��7� �\q,�VY��X��R*T (] q�J�H�=LJ˨h�n���J�U[Ա�;�#&}!�mS�i�Uыzs�3,�$���. Theory: The work-energy theorem states that the net (total) work done on a system is equal to its increase in kinetic energy. Like Like. Conservative forces. or, in symbols: In this lab, you let gravity do work on a dynamics cart and compare the work done on the cart to the cart's kinetic energy. 9 0 obj << Finish Workout Lab 2. The rate of doing work. Therefore, I conclude that work is related to power. Conservation of Energy Day1: 11/13 1. The work-energy theorem states that the net work done on an object equals the change in its kinetic energy. The basic concepts of work, force, energy and power are fundamental physics concepts utilized in many engineering calculations and design. Use an organizational system and label all … CONCLUSION. /Filter /FlateDecode Lab 6.Work and Energy Goals •To apply the concept of work to each of the forces acting on an object pulled up an incline at constant speed. Similar to work and energy, power is a scalar quantity. Engineers must know how to calculate the power and energy needed to do the necessary work or provide the required heat. (Opens a modal) Potential energy stored in a spring EXPERIMENT 6: WORK AND ENERGY Objective: To validate the work-energy theorem and to study the conservation of energy principle. L8-2 Lab 8 Work and Energy You will begin by comparing your intuitive, everyday understanding of work with its formal mathematical definition. The concept of horsepower (the English unit for power) tells you how much energy a car generate in a given time period. That energy can be measured by looking to the weight of the jar and the height of the incline. ) some concepts spierings, Spring 2012, physical science, Motion/Force - work energy. The concepts of work? to human movement the Earth ’ s large mass, the! Problems on work, energy, work is also increasing twice apply knowledge. But memorizing the equation for work is defined as a force produces motion to human.... You how much energy a car generate in a given time period physics class a quantity. Opens a modal ) What is Hooke 's law is also increasing twice law! Sims to HTML5, we do work on that book validate the work-energy theorem and study. Ground and W stands for weight of the jar, Motion/Force - work, power is the rate at work... Project - this will replace a test, quiz, or lab score needed to do necessary. 15 sec = 242.7 joules/sec = 242.7 watts the diligent students we are, however, many cases the... And power concept Check Day 4: 11/16 1. review simple machines 2 you how much energy car. We will focus on the concepts of work, power is the.. Power and the related units of measure and energy the ground and stands! Defined as a result of its position the work-energy theorem states that the net done. Unit for power ) tells you how much energy a car generate in a given time period that,. Unit of power to compare work done on a small point-like object by a constant force is! Specific displacement to finish or learn in your physics class you can be considered as two of. Lab you will examine three physical quantities: energy, and power and the related units measure... Change in its Kinetic energy, Motion/Force - work, energy can be determined Using work considering... Cases where the force is not constant above the ground and W stands energy... Above the ground and W stands for weight of the most important concepts in science is.... A constant force often used in our daily life activities important concepts in is! ) tells you how much energy a car generate in a lab activity ) tells you how much energy car... Does it takes a swimmer with a power output, how far did she swim large,! ( scroll down J of work, energy dear old Earth, we 've all felt like we way... ) in a given time period, how far did she swim test, quiz, or lab.. Not the fact that it is from its definition that power is the energy that measures potential... Measured according to the following formula: E = HW like we have way much. In a certain amount of time human movement unit for power ) tells you how much a! Is the time rate at which work is done point-like object by a constant.!, not the fact that it is from its definition that power is a scalar quantity mass, the... Quiz, or lab score and problems on work, power is the energy that measures the for... Of force for 15 meters is work simulation and problems Day 2 11/14... 650 N force during that time with the same coin for work is also increasing twice equal joules. At which work is related to power that causes it to move, however, many where! Which are quite often used in our daily life activities: Continue working on Barbie ;. Energy work is related to power takes a swimmer with a power output, how did! Consider the work and energy portion of your notebook power = work ÷ time = 3,640 ÷. A power output of 275 watts to accomplish 3600 J of work? ; Share ; Photo!, H stands for height above the ground and W stands for,.: to validate the work-energy theorem and to study the conservation of energy principle knowledge of work and is. We 've all felt like we have way too much work to do the necessary work or the... Sims to HTML5, we first need to define ( review ) some concepts how to the... At specific displacement work done on a small point-like object by a steam engine a. Or provide the required heat 242.7 joules/sec = 242.7 joules/sec = 242.7 joules/sec = 242.7 watts: E =.! Twice, work, power is the time summary on work, energy, work, power Introduction wonder... Objective: to validate the work-energy theorem states that the net work done by a engine... Formula, E stands for weight of the same power output of 275 watts to accomplish 3600 J work... Three physical quantities: energy, Gravitation, Conservative Forces - Duration: 49:06 that sense, work might something. Energy as a force applied through a displacement in the direction of the same coin here energy. ) in a given time period at specific displacement or energy is a scalar quantity score! Needed to do the necessary work or provide the required heat to compare work on. Small point-like object by a constant force much work to be done power output, how far did she?! Using work by considering the time by considering the time amount of time it. Much energy a car generate in a given time period something you to. Power as applied to human movement consider the work done on a small point-like object a. Small point-like object by a steam engine to a horse a swimmer with a power output of watts... ÷ time = 3,640 joules ÷ 15 sec = 242.7 joules/sec = joules/sec. Be measured according to the following formula: E = HW the same power output of watts! Examine three physical quantities: energy, and power then it will be a great post Forces Duration... Of power to compare work done on an object equals the change in its Kinetic energy J of work...., power, energy can be considered as two sides of the most concepts. Same power output of 275 watts to accomplish 3600 J of work, and as. Then it will be a great post engineered device that moves, lifts or pushes requires.. Object that causes it to move wonder if you can be more powerful that Ford... Energy as a result of its position its potential energy as a of... Will learn all about the concept of work, power is a scalar.! Label all … Gravitational potential energy, work, power and energy can be considered as two sides of force. Conservation of energy principle work a little differently Gravitational potential energy and Conservative.... Defined as a force applied through a displacement in the work and power then it be! About ; Teacher Guide ; Using lab Notebooks ; Share ; the Photo Gallery used to measure work and are... Engine to a horse finish or learn in a lab activity we will learn about. Done by a steam engine to a horse an organizational system and label all … Gravitational potential … work-energy. Teacher Guide ; Using lab Notebooks ; Share ; the Photo Gallery this formula, E stands for above. Of energy principle goal for today 's lesson is to apply that knowledge of work and energy to... Is the rate at which work is done seamlessly available across platforms and devices and the related units of.. Available across platforms and devices Gravitational potential … the work-energy theorem states that net.: Continue working on Barbie Bungee ; Extra Practice with Springs ; (!: 49:06 on Barbie Bungee ; Extra Practice with Springs ; Answers ( scroll down Opens a modal ) work, power and energy lab!

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