# work, power and energy worksheet pdf

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So in units form. Pages 2 This preview shows page 1 - 2 out of 2 pages. 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? Interactive Reader 271 Work and Energy SECTION 1 Name Class Date Work, Power, and Machines continued How Are Work and Power Related? What was the loss in mechanical energy? 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 . Simple calculations on work, energy and power using simple formulas. Work = 33N X 13m. How much work is done? 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. 4. Word Document File. Kinetic energy is Mv2 Power is Work (or Energy) per Unit time. The unit of power is the watt (or kilowatt). = 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 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. This physics class note covers the theoretical as well as the numerical part of this important chapter. If you do 2.7 J of work in the process, how far have you moved the book? J/s P= F v. CONCLUSION: Chapter 8B . View Test Prep - Work-Power-Energy-Worksheet-Solutions from SCIENCE Physics 1 at Pine Bush Senior High School. Treat this like a test! for work (and ENERGY!) . Worksheet includes 3 parts. The block moves 3,25 .

Work power and energy.pdf - Work power and energy.pdf - School Halifax Community College; Course Title SCIENCE 110; Uploaded By DrWaterOwl22. 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 AP Physics 1 Work and Power Worksheet Name: _____ Work 1. This sign tells us about the direction of the energy transfer. Calculate the work done on the girl by gravity. 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. File previews. a) 31.15x10 J b) 2.42 J c) 32.77x10 J d) 1.21 J 2. Physics Worksheet Work and Energy Section: Name: Mr. Lin 3 19. 5. Be careful, direction of applied net force and direction of motion must be same. 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. Right now the focus is on a kind of potential energy called gravitational potential energy. Physics Chapter 5 Work, Power, Energy Worksheet 1. This module will give specific scientific meanings and explanations to these terms. Energy transferred to the object is positive work, and energy transferred from the object is negative work. Work = 90,000 J. Shawn uses 45N of force to stop the cart 1 meter from running his foot over. Electric Power : Physical Science Recall that the rate energy is converted from one form to another is power. One Newton of Force moving 1 meter is known as a joule (J). From our formula we found unit of work kg.m/s however, instead of this long unit we use joule. 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. You must exert a force of 4.5 N on a book to slide it across a table. $8.99. 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 The potential energy an object has due to its position is called _____ potential energy. 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. In other words; 1 joule=1N.1m

3. 3. Potential Energy is one of several kinds of energy discussed in this course. energy worksheets and online activities. Calculate the work done by a 2.4 N force pushing a 400. g sandwich across a table 0.75 m . A child pulls a sled up a snow-covered hill. 4. Work = Force x Distance. 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 . An 80 N force has been applied to a block and move it 20 m along the direction of the force. Calculate the work done by a 2.4 N force pushing a 400. g sandwich across a table 0.75 m wide. The unit kgm2/sec3 is the unit for - a. work, b. energy, c. force, d. power. Calculate the work done by a 2.4 N force pushing a 400 g sandwich across a table 0.75 m wide. Calculate the work done by a 47 N force pushing a pencil 0.26 m. 2. Work = Force X Distance. Physics Worksheet Work and Energy Section: Name: Mr. Lin 1 Show all work for the following questions, including the equation and substitution with units. Homework, notes, assignments and stuff (there'll be quizzes and in class assignments added so make sure you check for updates!) Starting from rest, a 4-kg block slides 10 m down a frictionless 30 incline. Assume initially that the inclines are all frictionless and that the mass are the same in each case. 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. Question 2 of the exercise at the end of this worksheet is an illustration of conservation of energy. 1. 1.2 Give a reason why each of the vertical forces acting on the crate does NO WORK . Free interactive exercises to practice online or download as pdf to print. Includes 5 slides. Potential energy is the energy matter has as a result of its _____ or _____. This Work-Energy-Power Notes [PDF download] is primarily for the grade 12 or 12th-grade syllabus of different international boards. Like work, power has a very specific meaning in sci-ence. If the child walks 15 m up the hill, how large of a force must the child exert? Work = Force X Distance. 3) Your car is stuck in the mud. Work, Power and Energy Worksheet Author: rkhedrick Created Date: 11/30/2015 6:52:34 AM . 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: Positive work is done by a force parallel to an object's displacement. 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. 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. Work, Energy, and Power Practice Test - pick one up from the front of the room and complete in class. A girl pushes on the box with a force of 15 N 5 meters to the right. The correct answer is a. Work, Energy and Power - page 1 Work, Power and Energy Worksheet Work and Power 1. Find the work done by the girl. A weightlifter performs three . Work = Force X Distance. A 196N box slides down a 10.0m incline. 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 0.025 kg pencil 0.25 m against a force of 23 N. 3. What is doing the work? Part 3 - Identify whether work, kinetic, or potential energy is in a proble . We can calculate the amount of electrical power by an a ppliance or other el ectrical component by multiplying the voltage by the current. Work, Power and Energy Worksheet Author: rkhedrick Created Date: 11/30/2015 6:52:34 AM . Calculate the work done by a 47 N force pushing a pencil 0.26 m. 2. {,3 NAME: E/; 1. Energy transferred to the object is positive work, and energy transferred from the object is negative work. A 60-kg box rests on a horizontal, frictionless surface. This also covers the class 11 physics syllabus on work, energy, and power for boards like ICSE, CBSE, etc. 2. 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. 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. Explore the many different forms energy can take sound, heat, light, chemical, and nuclear. Work W is the energy transferred to or from an object by means of a force acting on the object.

1. . d) Find the kinetic energy of the block at the end of the 10m slide. Use this information to answer the next 6 questions. Doc Mathewson. 6 5. The topics include solving for work, kinetic energy, gravitational potential energy, Q=mct, power, efficiency and mechanical energy. How much work is done when a force of 33N pulls a wagon 13 meters? Work = 900N X 100m. Search: Work Energy And Power Worksheet Pdf.

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 . Work, Energy and Power Review Package Work, Energy and Power Review Package 1) Work: change in energy. In this module, you will learn the fundamentals of WORK, POWER and ENERGY and their applications in everyday simple machines. 3. 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 . 2. How much work does he do? Worksheet 2 Key.pdf: File Size: 329 kb: File Type: pdf: Download File. This leads us to some more basic concepts of science - work , power and energy , which we will discuss . 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 . Calculate the work done by a 47 N force pushing a 0.025 kg pencil 0.25 m against a force of 23 N. . . Learners will find this resource challenging and helpful. momentum). Worksheet 3 Key.pdf: File Size: 803 kb: File Type: pdf: Download File. The falling mass raising a lever. The box starts at rest at the top of the incline and reaches the bottom with a speed of 9.0m/s. since energy is measured in joules, pow er is measured in joules per second . 1. Calculate the work done by a 47 N force pushing a pencil 0.26 m. 2. 75 J 21. One joule per second is equal to one watt. a) Determine the maximum compression of the spring. Power is the rate at which work is done or energy is used. Work, Power and Energy Multiple Choice Questions 1. Energy is the capacity to perform work. i) Potential Energy P.E. The work done by a force can then be positive or negative. Named after British physicist James Prescott Joule. The Physics Classroom Curriculum Corner Work, Energy and Power Energy. 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? The Work-Energy Theorem: Energy Theorem: The work done by a resultant force is equal to the change in kinetic energy that it produces. MODULE - 4 Work and Energy Energy 294 13 WORK AND ENERGY In previous lesson we have learnt that force changes the motion (i.e. 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. 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. 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. Electric power (watts)= current (amperes) x voltage (volts), where 1 watt = 1 ampere x Calculate the work done by a 47 N force pushing a 0.025 kg pencil 0.25 m against a force of 23 N. . Title: Work and Energy

Work - Definition If the PDF does not show in the window above, then you can access it directly here . The work we do on the rock also equals the rock's gain in gravitational potential energy, PEe. 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 .

WORK, ENERGY & POWER: WORKSHEETS 1.1 Draw a labelled free-body diagram to show ALL the forces acting on the crate during its motion. Work is a scalar so the sign should not be misinterpreted to mean that work is a vector. 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. 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.

The equation for power is: 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 . 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. This is a conservation of energy problem, in which we examine the relationship between the particle's potential and kinetic energies. 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 . This is a Worksheet Package for the Work and Energy unit of Grade 11 Physics.

Work is defined as energy transfer, energy is a scalar quantity and the sign indicates whether energy was increased or decreased. kinetic energy; in this situation, the object actually did work on you (equivalent to you doing negative work). Do you need a bigger engine to go further? Search: Work Energy And Power Worksheet Pdf. W=F.x W = work . 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 docx, 16.49 KB. 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. CONCLUSION: Chapter 8B Work and Energy. 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. 2. Power of 1 Power of 1 WWis work done at rate of 1 is work done at rate of 1 J/s. (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. Write the equation for the Work done by a force pushing or pulling an object. In other words, power is how much work is done in a given amount of time. b. If work is performed on the system by an external, non- kinetic energy; in this situation, the object actually did work on you (equivalent to you doing negative work).

What is work? 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. 1.4 Use the WORK-ENERGY THEOREM to calculate the speed of the crate at the This will not work because neither the motor nor the generator is 100% ecient. 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. But during the change in motion the body on which the force is applied also moves through some distance. 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. The terms work, power and energy are often used in our daily conversations but have different meanings in Physics.

What is work? c. . When we drop the rock the force of gravity causes the rock to fall, giving the rock kinetic energy. Search: Work Energy And Power Worksheet Pdf. 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 . Summary . ASIDE: There are other kinds of potential energy.

Calculate the work done by a 47 N force pushing a pencil 0.26 m. 2. AP Physics 1 Work and Power Worksheet Name: _____ Work 1. Part 2 - Identify whether or not work is done, explain why or why not, and if work is done what is doing the work. (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 . 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 . 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? View full document . Part 1 - Label the work, power, kinetic and potential energy equations with the proper quantities and units. is "energy of position". A kilowatt (kWh) is 1,000 watts or 1,000 joules of energy per second. 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. W = F x d. 20. Calculate the work done by a 47 N force pushing a pencil 0.26 m. 2. 2. Work W is the energy transferred to or from an object by means of a force acting on the object. It includes 10 worksheets, with answers, and is 17 pages long. Power is the rate of work performed per unit time. 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 (). 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 4. The spring has a spring constant of 5000 N/m. Answer 4 Work is the exertion of a force over a distance. A force of 22 N was used to push box 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. The child does 405 J of work on the sled.

This collection of pages comprise worksheets in PDF format that developmentally target key concepts and mathematics commonly covered in a high school physics curriculum. 5. Work - Definition 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. 2. Work, Power and Energy Worksheet Conceptual Physics: Work and Power 1. 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. 3) Your car is stuck in the mud. Answer 5 P = IV Energy dissipated by an electrical resistance is usually manifest as heat, although sometimes it is . Calculate the work done on the girl by the normal force. 4. 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? Search: Work Energy And Power Worksheet Pdf. Work = 45 J.

work, but Talia used more power! Hooke's Law and Elastic Potential Energy . ii) Potential Energy is the amount of "energy available to do work". Work = 429 J If the driver wants to go further will the amount of work increase or decrease? watts Used to measure power of light bulbs and small appliances An electric bill is measured in kW/hrs. 1.

Powered by Create your own unique website with customizable templates. The units are N. m, which equal a Joule (J). f) Find the change in the kinetic energy of the crate. At maximum compression, the box has a speed of zero. 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. How much work has been done to the block? Work = 45N X 1m. (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 . In each case below a block slides down an incline, starting at the same height off the ground. a. The force to move the block must be equal and opposite to the force of the spring on the block. Determine the work done in the following situations. The more mass an object has the (more / less) potential energy it has. Define the following terms: Matter, Energy, Work, Potential Energy, Kinetic Energy, Efficiency, Heat Energy Work 1.