Treat this like a test! KS/Grade-9/ Dept of Physics/Worksheet on Work, energy and power/2012 Page 1 Kalaafaanu School 1 WORK Almost all the terms we have used so far, velocity, acceleration, force etc ConnectedObjects This worksheet will guide you in making a quantitative comparison between the electrical energy consumed by the Black Rock Forest Science & Education Center (SEC) and the solar energy received by the . The spring has a spring constant of 5000 N/m. Calculate the work done by a 47 N force pushing a 0.025 kg pencil 0.25 m against a force of 23 N. . Determine the work done in the following situations. Work is a scalar so the sign should not be misinterpreted to mean that work is a vector. This collection of pages comprise worksheets in PDF format that developmentally target key concepts and mathematics commonly covered in a high school physics curriculum. In other words; 1 joule=1N.1m Search: Work Energy And Power Worksheet Pdf. (a) power (b) velocity (c) energy (d) force (iii) Determine the power ratings of each appliance Potential energy is converted to kinetic energy in the form of heat to keep people warm in the winter You can type your information directly into these documents using your computer is created by the motion ot the particles within 4) The dim light bulb's . J/s P= F v. CONCLUSION: Chapter 8B . At maximum compression, the box has a speed of zero. Physics Worksheet Work and Energy Section: Name: Mr. Lin 1 Show all work for the following questions, including the equation and substitution with units. Learning topic three: Energy Wednesday 1-5 1) Bell Ringer 2) Energy is the ability to do work 3) Any object that has energy has the ability to create a force 4) Units for energy and work are the same, the joule 5) Demonstration of the ability of an objects position being used to do work. Part 2 - Identify whether or not work is done, explain why or why not, and if work is done what is doing the work. Work = Force X Distance. A girl pushes on the box with a force of 15 N 5 meters to the right. 2. Powered by Create your own unique website with customizable templates. The work done by a force can then be positive or negative. The unit of power is watt That energy must be converted into some other type before the charges make it to the negative side of the battery What is work? This leads us to some more basic concepts of science - work , power and energy , which we will discuss . Like work, power has a very specific meaning in sci-ence. $8.99. Simple calculations on work, energy and power using simple formulas. The potential energy an object has due to its position is called _____ potential energy. How much work does he do? This will not work because neither the motor nor the generator is 100% ecient. View Test Prep - Work-Power-Energy-Worksheet-Solutions from SCIENCE Physics 1 at Pine Bush Senior High School. Electric power (watts)= current (amperes) x voltage (volts), where 1 watt = 1 ampere x Question 2 of the exercise at the end of this worksheet is an illustration of conservation of energy. 6 5. One joule per second is equal to one watt. Work, Power and Energy Worksheet Author: rkhedrick Created Date: 11/30/2015 6:52:34 AM . The block moves 3,25 . Work is calculated by taking this total (net) force of 320 pounds and multiplying by the displacement of 45 feet, since both the force and the displacement vectors are pointed in the same direction (i.e. Named after British physicist James Prescott Joule. 819 talking about this The block moves 3,25 Example problems: Work & Power 0050 kg bullet travel if it is to have the same kinetic energy as a 20,000 kg 0050 kg bullet travel if it is to have the same kinetic energy as a 20,000 kg. Energy is the capacity to perform work. This module will give specific scientific meanings and explanations to these terms. The amount of energy transformed (E) is called work W. The body losing energy does work, the body gaining energy has work done on it. b. Be careful, direction of applied net force and direction of motion must be same. Use this information to answer the next 6 questions. Calculate the work done by a 47 N force pushing a 0.025 kg pencil 0.25 m against a force of 23 N. 3. Work power and energy.pdf - Work power and energy.pdf - School Halifax Community College; Course Title SCIENCE 110; Uploaded By DrWaterOwl22. W = P E e = m g d. Kinetic energy depends on the mass of an object and its velocity, v. K E = 1 2 m v 2. The falling mass raising a lever. (a) power (b) velocity (c) energy (d) force (iii) Determine the power ratings of each appliance Potential energy is converted to kinetic energy in the form of heat to keep people warm in the winter You can type your information directly into these documents using your computer is created by the motion ot the particles within 4) The dim light bulb's . c. Work = 900N X 100m. So in units form. Work, Power and Energy Multiple Choice Questions 1. But during the change in motion the body on which the force is applied also moves through some distance. Work Energy Power 5.1 Summary: Work, Energy And Power The following is a summary of the concepts that need to be covered as per the examination guidelines: Work Define the work done as the product of the applied on an object and the displacement in the direction of the force. Title: Work and Energy There are two basic Ohm's Law equations: one relating voltage, current, and resistance; and the other relating voltage, current, and power (the latter equation is sometimes known as Joule's Law rather than Ohm's Law): E = I R. P = I E. In electronics textbooks and reference books, you will find twelve different variations of these two . Work, Energy and Power - page 1 Work, Power and Energy Worksheet Work and Power 1. Work, Power and Energy Worksheet Conceptual Physics: Work and Power 1. W = F x d. 20. ii) Potential Energy is the amount of "energy available to do work". Physics 11 - Work, Power, Energy Worksheet Work, Power, Energy Worksheet A go cart engine applies a force of 888N and moves the cart forward 22m. Work = Force X Distance. = 0o): W = Fxcos W = (320 lb)(45 ft)cos0o W = 14400 ft-lb of work Answer 7 W = Fxcos W = (8 N)(187 m)cos28o W = 1320.9 N-m 16 Pages 2 This preview shows page 1 - 2 out of 2 pages. Work, Power and Energy Practice Problems Work and Power Problems 1) How much work will you do if you push a block of concrete 4.3 m along a floor with a steady force of 25 N? Calculate the work done by a 47 N force pushing a pencil 0.26 m. 2. a) 31.15x10 J b) 2.42 J c) 32.77x10 J d) 1.21 J 2.

Interactive Reader 271 Work and Energy SECTION 1 Name Class Date Work, Power, and Machines continued How Are Work and Power Related? Download File PDF Work Power Energy Worksheet Answers Few people may be pleased like looking at you reading work power energy worksheet answers in your spare time. If the PDF does not show in the window above, then you can access it directly here . Work - Definition energy worksheets and online activities. Worksheet 2 Key.pdf: File Size: 329 kb: File Type: pdf: Download File. a) Determine the maximum compression of the spring. Physics Chapter 5 Work, Power, Energy Worksheet 1. A child pulls a sled up a snow-covered hill. MODULE - 4 Work and Energy Energy 294 13 WORK AND ENERGY In previous lesson we have learnt that force changes the motion (i.e. Find the work done by the girl. Part 3 - Identify whether work, kinetic, or potential energy is in a proble . Read PDF Physics 11 Work Power Energy Worksheet Answer Key Additionally, the first part of Work, Energy and Power includes the work-energy theorem, the concept of kinetic energy, potential energy, conservation of mechanical energy, and much more 1 and writing - group work (35 min) Speaking activity - pair work (15 min) Materials: Worksheet . 2. Define the following terms: Matter, Energy, Work, Potential Energy, Kinetic Energy, Efficiency, Heat Energy Work 1. Work-Kinetic Energy theorem We can now replace any work due to conservative forces by potential energy terms, i.e., KU+W n.c. E mech =K+U=W n.c. Or Here, E mech is the total mechanical energy of a system, equal to the sum of the kinetic and potential energy of the system. Power of 1 Power of 1 WWis work done at rate of 1 is work done at rate of 1 J/s. 2. 1. A force of 22 N was used to push box The unit of power is the watt (or kilowatt). 1 B After you review your answer choices, go back and complete the reflection part of your worksheet 4 Work and Power Worksheet [pdf] Some of the worksheets below are . A 60-kg box rests on a horizontal, frictionless surface.

Homework, notes, assignments and stuff (there'll be quizzes and in class assignments added so make sure you check for updates!) F = K Dx Force Distance X F=Kx W = F X W = K X2 Work done to move a mass on a spring a distance "x": Work is force in the direction of motion. The work we do on the rock also equals the rock's gain in gravitational potential energy, PEe. Potential energy is the energy matter has as a result of its _____ or _____. 5. Do you need a bigger engine to go further? The more mass an object has the (more / less) potential energy it has. Hooke's Law and Elastic Potential Energy . Worksheet 3 Key.pdf: File Size: 803 kb: File Type: pdf: Download File. Electric Power : Physical Science Recall that the rate energy is converted from one form to another is power. Work, Power and Energy Worksheet Author: rkhedrick Created Date: 11/30/2015 6:52:34 AM . . kinetic energy; in this situation, the object actually did work on you (equivalent to you doing negative work). If work is performed on the system by an external, non- Potential Energy is one of several kinds of energy discussed in this course. Calculate the work done on the girl by the normal force. 1.4 Use the WORK-ENERGY THEOREM to calculate the speed of the crate at the Work is defined as energy transfer, energy is a scalar quantity and the sign indicates whether energy was increased or decreased. Kinetic energy is Mv2 Power is Work (or Energy) per Unit time. Work Power Energy Cheat Sheet Work A force is applied an object and object moves in the direction of applied force then we said work has done. The equation for power is: Work, Energy and Power formulae www.vaxasoftware.com Work of a constant force (Force is parallel to displacement) (Work of force of friction) W F x cos W F x W FFRIC x Kinetic energy 2 2 1 EK mv Gravitational potential energy (Near a planet surface) EP m g h Gravitational potential energy r M m EP G Elastic potential energy 2 2 1 EP k x

Part 1 - Label the work, power, kinetic and potential energy equations with the proper quantities and units. gravitational potential energy in joules (j) = mass in kilograms (kg) = gravitational field strength of 10 n/kg = height in metres (m) worked example a skier has a mass of Work = 33N X 13m. Work W is the energy transferred to or from an object by means of a force acting on the object. Work = 45N X 1m. In other words, power is how much work is done in a given amount of time. 4. A) -140 J B) -110 J C) -1100 J D) -180 J E) 120 J 3) What is the net power needed to change the speed of a 1600-kg sport utility vehicle from 15 Work, energy, and power This worksheet and all related les are licensed under the Creative Commons Attribution License, Conversion equivalencies for energy or Anonymoushouseplantfan Tumblr Work . Answer 4 Work is the exertion of a force over a distance. This physics class note covers the theoretical as well as the numerical part of this important chapter. Work, Power and Energy Practice Problems Work and Power Problems 1) How much work will you do if you push a block of concrete 4.3 m along a floor with a steady force of 25 N? 1 About 16% of global final energy consumption comes from renewables, with 10% coming from traditional biomass , which is mainly used for heating , and 3 Now you are ready to demonstrate your . 75 J 21. The box starts at rest at the top of the incline and reaches the bottom with a speed of 9.0m/s.

AP Physics 1 Work and Power Worksheet Name: _____ Work 1. Calculate the work done on the girl by gravity. If the child walks 15 m up the hill, how large of a force must the child exert? If you do 2.7 J of work in the process, how far have you moved the book? How much work is done? docx, 16.49 KB. How much work has been done to the block? Explore the many different forms energy can take sound, heat, light, chemical, and nuclear. Right now the focus is on a kind of potential energy called gravitational potential energy. is "energy of position". 1 B After you review your answer choices, go back and complete the reflection part of your worksheet 4 Work and Power Worksheet [pdf] Some of the worksheets below are . This Work-Energy-Power Notes [PDF download] is primarily for the grade 12 or 12th-grade syllabus of different international boards. a. Calculate the work done by a 2.4 N force pushing a 400. g sandwich across a table 0.75 m wide. The correct answer is a. Worksheet includes 3 parts. work, but Talia used more power! One Newton of Force moving 1 meter is known as a joule (J). What was the loss in mechanical energy? Download "Work Energy and Power Join our Community of 625,000+ Engineers In this chapter I'll introduce the formulas for all three types of mechanical energy,starting with gravitational energy The unit of power is watt CBSE Class 11 Physics Worksheet - Work, Energy & Power CBSE Class 11 Physics Worksheet - Work, Energy & Power. 4. i i 1 . 3. Learners will find this resource challenging and helpful.

This is a conservation of energy problem, in which we examine the relationship between the particle's potential and kinetic energies. Summary . 3) Your car is stuck in the mud. AP Physics 1 Work and Power Worksheet Name: _____ Work 1. A weightlifter performs three . 2) If your mass is 70.0 kg, how much work will you do climbing a flight of stairs 25.0 mhigh, moving at a steady pace? 4. A 196N box slides down a 10.0m incline. Calculate the work done by a 47 N force pushing a 0.025 kg pencil 0.25 m against a force of 23 N. 3. Calculate the work done by a 47 N force pushing a 0.025 kg pencil 0.25 m against a force of 23 N. 3. In this module, you will learn the fundamentals of WORK, POWER and ENERGY and their applications in everyday simple machines. The units are N. m, which equal a Joule (J). Work = Force X Distance. The unit kgm2/sec3 is the unit for - a. work, b. energy, c. force, d. power. Assume initially that the inclines are all frictionless and that the mass are the same in each case. Work, Energy, and Power Name: The Physics Classroom, 2009 Page 1 Read from Lesson 1 of the Work, Energy and Power chapter at The Physics Classroom: 3. Doc Mathewson. Power is the rate at which work is done or energy is used. . A kilowatt (kWh) is 1,000 watts or 1,000 joules of energy per second. 2) If your mass is 70.0 kg, how much work will you do climbing a flight of stairs 25.0 mhigh, moving at a steady pace? 1. The Work-Energy Theorem: Energy Theorem: The work done by a resultant force is equal to the change in kinetic energy that it produces. We additionally manage to pay for variant types and after that type of the books to browse 91kb; Physics 03-04 Power GravitationalEnergy If any part is damaged, stop using it immediately Title: Untitled Document Created Date: 17:40 6/8/2004 Title: Untitled Document Created Date: 17:40 6/8/2004. You must exert a force of 4.5 N on a book to slide it across a table. Starting from rest, a 4-kg block slides 10 m down a frictionless 30 incline. Work = Force x Distance. The potential energy stored in the spring is calculated using the Work integral: W=Fxcos cos=cos(0)=1 P= Work time time= Work Power = mgh P time= (100kg)(10m/s2)(10m . Answer 5 P = IV Energy dissipated by an electrical resistance is usually manifest as heat, although sometimes it is . since energy is measured in joules, pow er is measured in joules per second . watts Used to measure power of light bulbs and small appliances An electric bill is measured in kW/hrs. File previews. PF1.5 - Work, Energy and Power Page 3 of 5 June 2012 x Conservation of Energy A fundamental principle of nature is that energy is conserved, meaning that while it may . 2. AP Physics 1- Work, Energy, & Power Practice Problems ANSWERS FACT: The amount of work done by a steady force is the amount of force multiplied by the distance an object moves parallel to that force: W = F x cos (). Positive work is done by a force parallel to an object's displacement.

Work, Energy and Power Review Package Work, Energy and Power Review Package 1) Work: change in energy. Calculate the work done by a 47 N force pushing a pencil 0.26 m. 2. Free interactive exercises to practice online or download as pdf to print. ASIDE: There are other kinds of potential energy. 1.2 Give a reason why each of the vertical forces acting on the crate does NO WORK . 1. Search: Work Energy And Power Worksheet Pdf. How much work is done when a force of 33N pulls a wagon 13 meters? i) Potential Energy P.E. Calculate the work done by a 47 N force pushing a pencil 0.26 m. 2. {,3 NAME: E/; 1. 3) Your car is stuck in the mud. This is a Worksheet Package for the Work and Energy unit of Grade 11 Physics. 5. It includes 10 worksheets, with answers, and is 17 pages long. What is work? From our formula we found unit of work kg.m/s however, instead of this long unit we use joule. Work - Definition Calculate the work done by a 47 N force pushing a pencil 0.26 m. 2. The terms work, power and energy are often used in our daily conversations but have different meanings in Physics. WORK, ENERGY & POWER: WORKSHEETS 1.1 Draw a labelled free-body diagram to show ALL the forces acting on the crate during its motion. Calculate the work done by a 47 N force pushing a pencil 0.26 m. 2. This sign tells us about the direction of the energy transfer. kinetic energy; in this situation, the object actually did work on you (equivalent to you doing negative work). Search: Work Energy And Power Worksheet Pdf. An 80 N force has been applied to a block and move it 20 m along the direction of the force. Work Energy And Power Worksheet Answers Author: doneer.medair.org-2022-07-04T00:00:00+00:01 Subject: Work Energy And Power Worksheet Answers Keywords: work, energy, and, power, worksheet, answers Created Date: 7/4/2022 10:09:27 PM Includes 5 slides. f) Find the change in the kinetic energy of the crate. W=F.x W = work . Problems: Work, Energy, Power 1) A 10.0 kg mass sliding on a frictionless horizontal surface at 7.00 m/s hits a spring that is attached to a wall.

a. Jim Neysweeper is applying a 21.6-N force downward at an angle of 57.2 with the horizontal to displace a broom a distance of 6.28 m. b. Ben Pumpiniron applies an upward force to lift a 129-kg barbell to a height of 1.98 m at a constant speed. In each case below a block slides down an incline, starting at the same height off the ground. Work = 45 J. When we drop the rock the force of gravity causes the rock to fall, giving the rock kinetic energy. d) Find the kinetic energy of the block at the end of the 10m slide. . 819 talking about this The block moves 3,25 Example problems: Work & Power 0050 kg bullet travel if it is to have the same kinetic energy as a 20,000 kg 0050 kg bullet travel if it is to have the same kinetic energy as a 20,000 kg. Physics Worksheet Work and Energy Section: Name: Mr. Lin 3 19. 1. momentum). View full document . The Physics Classroom Curriculum Corner Work, Energy and Power Energy. 3. . 1 WORK, POWER AND ENERGY 2 WORK If an object or system, such as your body, exerts a force on an object and that force causes the object's position to change, you are doing work on the object. We can calculate the amount of electrical power by an a ppliance or other el ectrical component by multiplying the voltage by the current. If the driver wants to go further will the amount of work increase or decrease? The force to move the block must be equal and opposite to the force of the spring on the block. Energy, Work, and Power Teacher's Guide Grade Level: 9-12 Curriculum Focus: Physical Science Lesson Duration: Three class periods Program Description Much of our success as an industrialized society stems from our ability to harness energy. Download File PDF Work Power Energy Worksheet Answers Few people may be pleased like looking at you reading work power energy worksheet answers in your spare time. Write the equation for the Work done by a force pushing or pulling an object. for work (and ENERGY!) Energy transferred to the object is positive work, and energy transferred from the object is negative work. 4. 2. Measured in Joules, J. W = Fd and W = E where change in energy can be both KE or PE Work is scalar but can be negative. Calculate the work done by a 2.4 N force pushing a 400 g sandwich across a table 0.75 m wide. The topics include solving for work, kinetic energy, gravitational potential energy, Q=mct, power, efficiency and mechanical energy. What is doing the work? Work = 90,000 J. Shawn uses 45N of force to stop the cart 1 meter from running his foot over. Power is the rate of work performed per unit time. Calculate the work done by a 47 N force pushing a 0.025 kg pencil 0.25 m against a force of 23 N. . Jon pushes his snowboard across the snow with a force of 30 N for a distance of 25 m, calculate the amount of work that Jon does on the snowboard. Word Document File. What is work? 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 The work-energy theorem for a variable force 6.7 The concept of potential energy 6.8 The conservation of mechanical energy 6.9 The potential energy of a spring 6.10Various forms of energy : the law of conservation . Calculate the work done by a 2.4 N force pushing a 400. g sandwich across a table 0.75 m . This also covers the class 11 physics syllabus on work, energy, and power for boards like ICSE, CBSE, etc. CONCLUSION: Chapter 8B Work and Energy. 2 Worksheet: Work, energy and power QUESTION 1 1.1 A girl with mass 60 kg slides 3 m down an inclined plane as shown in the picture. 3 When a physicist is talking about work he mainly talks about a force causing a displacement of an object in the same action of line. Work = 429 J Work is given by the force multiplied by the displacement through which the force acts, or: where F = force (N), d = displacement (m) KE = mv2 Work = Change in Energy = Force displacement W = E = F d Work, Energy, and Power Practice Test - pick one up from the front of the room and complete in class. kDetermine the work done on the block by a) the force of gravity, b) the normal force, c) all of the forces (the net force) on the block. docx, 2.62 MB. Search: Work Energy And Power Worksheet Pdf. Energy transferred to the object is positive work, and energy transferred from the object is negative work. Work W is the energy transferred to or from an object by means of a force acting on the object. The child does 405 J of work on the sled.

1.2 A block (5 kg) is pulled by a force of 60 N at an angle of 30 to the ground. Energy, Work, and Power Page 1 of 2 WORKSHEET: POTENTIAL ENERGY PROBLEMS Fill in the Blank: 1. (mgh = knv2) gravitational potential energy can be calculated using the formula: gravitational potential energy = mass x gravitational field strength x height p.e, = m g h .e.