Let’s say our pump is 77 percent efficient. • Vector Component: The perpendicular parts into which a • Work-Energy Theorem: The work done is equal to the Office cheat sheets. Work Power Energy Cheat Sheet. Then the horse would march forward, physically lifting the water bag up out of the mine. gr./3960 x eff. He harnessed a mine draft horse to a support frame and a platform and put some children and men onto the platform. • Displacement: The quantity that … The specs mostly deal with the needs of the system, meaning the 92 ft. @ 600 GPM. weight Key Formulas •Power : Watts, W, 1 Watt = 1 J/s Potential Energy of the Spring; Ep=1/2.k.x² k is the spring constant and x is the amount of compression or streching. The decision does not mean the court will necessarily rule against the EPA plan in the end but does increase the chance that it will. • Base level: An arbitrary reference point from which Before moving to physics formula pdf sheet of chapter Work Energy & Power Complete the theory form your text book than read the physics formula sheet of entrancei for effective revision do practice the questions from entrancei physics sections of chapter Work Energy & Power . Multiply 550 by 60 seconds in a minute, and we have 33,000 foot/pounds per minute. These tips will make it easier to solve work and power physics Industrial energy use – Boiler Fuel- generate steam or hot water; Process heat- raise temp. The number 3,960 converts power into pump language. I’ve stood by helpless while my bosses, chiefs, and purchasing agents made these poor decisions. Blog; Live Webinars ; On-Demand Education; NFPE Training; Who we are. James began by defining terms and establishing standards. In school, James studied math and prepared for a career as an instrumentation technician. He never told anyone what the size of his test horse was. Here are some examples: I have enough “energy” in my biceps muscle to pick up a 100-pound weight. Work Power Energy Cheat Sheet. 804.545.9162; Find A Dietitian; Find a Job; Find a Dietitian; Why us. Key Conventions Work. back and look for errors. A force is applied an object and object moves in the direction of applied force then we said work has done. These tips will make it easier to solve energy specific: Watt’s centrifugal regulator invention as seen on a steam tractor at an old farm equipment parade in South Africa. Displacement) Scalar – A measurement with only magnitude (e.g. Gas laws (a) PDF (b) image All of theormodynamics in one sheet 1. About Us; Meet The Team; Contact; A Clinical Dietitian’s Complete Cheat Sheet to Calculate Energy Needs. You can find MCAT Physics equations for motion, force, work, energy, momentum, electricity, waves and more presented on this page. It is usually represented with an arrow to The specific gravity of water is 1.0. How far can a mother push a 20.0 kg baby … Renewable technology solutions are elevated as LEED certification becomes the norm. Purchasing agents can fall into the price trap. • Identify the quantity to be found. blank sheet of paper. These are good people, and they understood the information, but they have their instructions. • Vector: A quantity that represents magnitude (size) and gr./3960 The above is the basic formula for water horsepower and for liquids other than water. push or a pull. And this $3,332 would be on top of the additional cost for the larger (25-Hp) motor. 65. Wastewater facilities achieve energy autarky with new plant design. His mission in life was to see machines replace human and animal labor. Kinetic Energy; Ek=1/2mv² m is the mass, v is the velocity. Divide the 33,000 ft. pounds by 8.333 pounds per gallon and we have 3,960. The amazing James Watt was born in 1736 at the dawn of the industrial revolution. Component of force used in work calculation since direction. Component of force used in work calculation 3: Unwritten Pump Rules 3 Key Instructions You Won't Find In Your Owner's Manual, A pump’s work (output) is called Water Horsepower (WHp). If you’ve been following the Pump Guy in Flow Control magazine, you know I started my maintenance career as an apprentice grunt in a Birmingham steel mill. Measured in Newtons. You can change your ad preferences anytime. 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. • Power: Work done per unit of time. Y CHEAT SHEET PHYS1205: Integrated Physics University of Newcastle 1 1D Motion Vector – !A measurement with both magnitude and direction (e.g. With pity toward the children and the workhorses, James decided to replace the human and animal labor in the mines with a steam engine. Physics Formulas Work Power Energy/Cheatsheet. Which of the following flowmeters could reasonably be applied to measure air flow in an HVAC system? since this is the direction of motion. Frequently, we need to know a variation of this number. Key Concepts Work and energy formula sheet - YouTube. Who is responsible for this? For tasks beyond the ability of a grown miner, the mining industry bred especially small horses that could go into the mines and do the pulling and hauling that a grown man could not do. 4. •Energy: Joules, J, 1 Joule = 1 N m = 1 kg m2 Be careful, direction of applied net force and direction of motion must be same. Today, many government agencies send their engineers and techs to the Pump Guy Seminars. The bilge water was dumped out up above, down the side of the mountain, and the process would begin again. Building an API is fun, right? I understand that it would be very time consuming for the … friction, and air resistance are common possibilities. If I lift a 20-pound weight up five feet into the air, I’ve done 100 foot-pounds of “work.” Likewise, if I lift 10 pounds 10 feet, or five pounds 20 feet, or 100 pounds one foot, then I’ve done 100 foot-pounds of work. change in energy. Down below, the children would attach the cowhide to the rope and the horse above would pull the hide into a bag of bilge water. If the pump were 100 percent efficient, then the BHp would be equal to the WHp. Metering data identifies sources of air, water and debris. • Force: Any influence that tends to accelerate an object; a •Work: Joules, J © 2021 Endeavor Business Media, LLC. If you have trouble viewing these PDFs, install the free Adobe Acrobat Reader DC. • m = mass This was cold water for bathing, drinking, and lifting up from the bilge of a coal mine. The spinning balls atop James Watt’s infamous “Old Sally” 150-Hp steam engine serve as an early example of centrifugal regulation for industry. • Kinetic Energy: The energy an object has due to its from the vector. How do you feel about your $800 savings now? Heat Work And Energy - Displaying top 8 worksheets found for this concept. 1m Power Power is the rate of work done in a • Often quantities like mass cancel out. As stated earlier, one horsepower is 550 foot/pounds per second, and most pumps are rated in flow per minute (GPM). The new approach bypasses the need for cells. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Work; Power; Gravitational Potential Energy; PE=mg.h m is the mass, g is the gravitational acceleration and h is the distance. Put this into your “CHEAT SHEETS” and remember it. 1: The Relationship Between Pressure & Head, Pump Guy Cheat Sheet No. Work. The amazing James Watt was born in 1736 at the dawn of the industrial revolution. C++ Programming Calculus Chemistry Circuits Differential Equations Dynamics Linear Algebra Mechanics of Materials Project Management Statics Structural Analysis An error occurred. From our formula we found unit of work kg.m²/s² however, instead of this long unit we use joule. equate the energies to help solve for any unknowns. correct mode (degrees or radians). So we don’t know if it was a Shetland pony, a mule, or a Clydesdale. If possible, The 3,960 is a horsepower expressed in pump terminology. The flow of fluids in boilers and steam generators, Taking safety to the next level with steam drum level measurement, Case study: Ultrasonic flow measurement improves energy efficiency, Power plant valves require proper specification and maintenance, Industrial Internet of Things in energy management, HVAC design leading the way toward net zero, The NEC’s short-circuit current rating changes, Industry Update: Gas turbine sales on the rise, Geothermal heating & cooling system design, Ultrasonic flow measurement solves issues in backup generators for multiuse project, ‘Synthetic biochemistry’ could be used to make industrial products and biofuels, Carbon emissions plan blocked by Supreme Court, Current winter season sees higher power generation with natural gas, US ethanol exports to China hit record high. He can be reached at larry@bachusinc.com or 615 361-7295. www.bachusinc.com. Expressed as an equation: WHp = H x Q/3960. This is the capacity to perform work. Work and Power Problem Solving Tips Here, you find important physics equations to remember, five useful physical constants, and common moments of inertia equations. Use units throughout your no work is done. • P = power We need to know the BHp, or brake horsepower to drive the pump. Pumps are not 100 percent efficient. • Velocity: The distance an object travels per unit of time Tap to unmute. Pay attention to your energy levels and your new routines, and figure out how to work around them as needed. February 18, 2015 June 11, 2015 Yehyyun CHAPTER 10 & 11, Chapter 10 & 11: Chapter 11: Angular Momentum. • Distance: The quantity that describes the position of an object. • W = Fd cos θ But actually, each of these terms have precise definitions. Measured in Newtons. θ Energy Requirements for Adults Energy prediction equations for resting energy expenditure (REE) or resting metabolic rate (RMR) W = kg , H = cm, A = years _____ REE/Estimated Energy Expenditure Calculator Results Diagram: Is the patient mechanically ventilated? Learn your uni course in one day. In pump terminology, 40 PSI is the same as 92 feet of head (We know this from a previous CHEAT SHEETS column (Feb. ’08, page 40)). He eventually became a mechanical engineer. Key Physics Terms Energy Specific Problem Solving Tips Larry Bachus, founder of pump services firm Bachus Company Inc., is a regular contributor to Flow Control magazine. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. If you continue browsing the site, you agree to the use of cookies on this website. A force is applied an object and object moves in the direction of applied force then we said work has done. When I'm integrating new processes into my daily work, I create or download a cheat sheet (like the ones linked above), and then I practice. This cheat sheet gets you up to speed on the features that have been introduced in Office 365’s Word for Windows desktop client since 2015. where the energy may have been converted. In other words; Tip #5: Remember That You’re Not In This Alone • Identify all given information. • PE = potential energy • t = time • For conservation of energy problems, try to identify the Likewise, you should have one page for Writing Task 1, organized into the three different question types. He is a pump consultant, lecturer, and inventor based in Nashville, Tenn. Mr. Bachus is a member of ASME and lectures in both English and Spanish. The children would take horsehides and cowhides down into the bilge of a mine and sink the hides in the accumulating water. • KE = ½ mv2 Be careful, direction of applied net force and direction of motion must be same. indicate the direction; the arrow may be drawn to scale. RapidLearningCenter.com © Rapid Learning Inc. All Rights Reserved AP Physics - Core Concept Cheat Sheet 07: Work, Power and Energy Key Physics Terms • Force: Any influence that tends to accelerate an object; a push or a pull. Try to read through it carefully twice then write it out on a This would allow students to ensure that they haven't missed important points and would enable them to study quickly before an exam if they don't have the time to go through each video. through which the object is moved. • YES→Does the patient have trauma? Global gas turbine sales will reach $87 billion next year. • W= Fd = mad In James Watt’s day, water was the only liquid that needed to be moved in large quantities. Work, Power & Energy Cheat sheet 1. problems: • d = distance or displacement API Cheat Sheet – What is an API, How it Works, and How to Choose the Right API Testing Tools. my thermodynamics cheat sheets Nasser M. Abbasi Sumemr 2004 Compiled on May 23, 2020 at 4:09am 1. all of theormodynamics in one sheet. It helps to have lists for specific parts of the exam. So, you should also develop a one page cheat sheet for Speaking Part 3, containing interesting opinion phrases and high-level linking words.. • Select appropriate formula(s) that incorporate what you •If the force and displacement are in the same direction, the • Energy: The ability to do work. equate the energies to help solve for any unknowns. don’t need to know these to calculate another variable. • Power is the ratio of work done per unit time. I’ll explain. Before the Child Labor Laws, children were used in the bilges of the mines because they had small lungs and didn’t consume the air/oxygen that a full-grown miner would consume. If the cheaper pump were 60 percent efficient, we’d have some different horsepower figures: BHp= 92 x 600 x 1.0/3960 x 60% BHp = 23.2 horses The cheaper pump requires 23.2 horsepower. motion. • When using trig functions, be sure your calculator is the While coal capacity reductions and the availability of efficient gas-fire generating units have contributed to the increase, the primary cause is low natural gas prices. If not, go So, this brings us to another variation on the formula. distance) calculations. Pump Guy Cheat Sheet No. Calculate the work done by a 2.4 N force pushing a 400. g sandwich across a table 0.75 m wide. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. February 13, 2015 June 11, 2015 … His mission in life was to see machines replace human and animal labor. • Conservation of Energy: Energy is not created or • Acceleration: Rate at which an object’s velocity changes • Δ = change in Leave a comment (11.3) Angular Momentum of Rotating Rigid Object. And the engineers all say, “But Larry, you don’t understand; we’re under instructions to buy the cheapest pump based on a competitive bid.” It is truly sad. The monthly electric bill will be based on 13.5-kilowatts (Kw = Hp x .746). • Work and energy are interchangeable. Copy link. • Draw a diagram if needed. See our Privacy Policy and User Agreement for details. Now we have: BHp = 92 x 600 x 1.0/3960 x 77% BHp = 18.1 horses We need 18.1 horses to power this pump. various types of energy in the situation. (a) PDF (b) image 2. polytropic process diagrams (a) PDF (b) image 3. first and second laws diagrams (a) PDF (b) image 4. 07: Work, Power and Energy • Do any mathematical calculations carefully. The total amount of energy before and after conserved. It was one of man’s early attempts at genetic manipulation. • If the force is perpendicular to the direction of motion, then Typical Vector Diagrams • P = W/t This pump would burn 27.8 horses of electricity, and it would require a 30-Hp motor. • v = velocity /s2 Divide … The idea is to keep our preparation efficient and useful.. o YES→Does the patient have burns? If possible, There are day plan templates you can use to organize your workload. In this article, I will explain what APIs are, why you need them, and we'll dive into API specifications, documentation, and more. Share. Work, Energy and Power – page 1 Work, Power and Energy Worksheet Work and Power 1. θ If James Watt had been raised in India, we might have the term “elephant power.” If James had been from Australia, we might rate engines in “kangaroo power.” Oh yes, James went to his grave with an important part of the formula. RapidLearningCenter.com © Rapid Learning Inc. All Rights Reserved • PE = mgh If it ran 24-hours per day, this would be an additional $6,340 in the electric bill per year compared to the first pump. Advancing worker safety in industrial environments. Common Types of Energy (ETM Cheat Sheet) After starting to build the Energy Transfer Model (ETM), we have the beginnings of an idea about change in energy. Cascarano Formula Sheet Physics 4A Simple Harmonic Motion Angular Frequency Displacement ( ) ( ) Mass on a spring √ Velocity ( ) ( ) Simple pendulum √ Period Frequency (j) Thin hoop rotating on axis through any diameter of the hoop: If you continue browsing the site, you agree to the use of cookies on this website. USA Energy Use 38% of energy goes to transportation almost all transportation energy comes from petroleum Gasoline is most used – gas and diesel make up 86% of energy used in trans. 64. Idris Olubisi. This is a relatively easy formula to understand. with time; this change may in speed, direction, or both. Looks like you’ve clipped this slide to already. The work done in stopping an object is equal to its initial kinetic energy (likewise, the work done in getting an object up to speed is equal to its final kinetic energy). destroyed, just transformed from one type to another. cheat sheet physics Did we even learn this? Next, a gallon of water (at sea level and 70 F) weighs 8.333 pounds. Be careful, direction of applied net force and direction of motion must be same. It is a combination of elevation (called head rated in feet), and flow (rated in gallons per minute). • a = Δv/Δt The difference is 5.1 horses or 3.8 kilowatts. Heat, • When assigning the base level, the ground or floor in the So James Watt declared that 550 foot/pounds per second is one “horsepower.” It is because of James Watt’s scientific effort that electric motors, internal combustion engines, turbines, boilers, jet engines, rocket engines, etc. More than 20,000 attendees and 1,400 exhibiting companies are expected to convene at the world’s largest power generation event, POWER-GEN International, Dec. 13–15. • NO→Mifflin St Jeor formula used to calculate REE. What if one pump sells for $800 less than the other pump? Home; About; Links; Home Articles posted by Yehyyun (Page 2) Author: Yehyyun (11.4) Conservation of Angular Momentum . • h = height above base level Work; Power; Gravitational Potential Energy; PE=mg.h m is the mass, g is the gravitational acceleration and h is the distance. The industry is moving in a positive directions with automation and control of systems at the forefront. 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. Many pump specifications don’t mention or require efficiency. Some of the worksheets for this concept are Energy transfer work bie, Renewable energy activities choices for tomorrow, S3 physics heat, Energy all around us light heat and sound, 13 0506 heat and heat calculations wkst, Work calculations involving specific heat, Thermal physics, Chapter 2 internal energy u work w heat q. applied force. • KE =kinetic energy Now we have: BHp = H x Q x sp. How to Use This Cheat Sheet: These are the keys related this topic. To apply the formula, the H = 92, the Q is 600, and the efficiency = 77 percent. From our formula we found unit of work kg.m²/s² however, instead of this long unit we use joule. work is negative, -. 1. are rated in horsepower. We all learn in our own way, though, so find what works best for you, and learn a new essential command. Info. • Gravitational Potential Energy: The energy an object has • When an object is lifted above some arbitrary base level And guess who was stuck with the maintenance on those cheap pumps? In any before-after situation, if there is a change in kinetic energy, work must have been done by some force somewhere. • Work: Product of force on an object and the distance Review it again before the exams. 2 Ideal gas, Any process Any gas, any process General polytropic … • Check to see if your answer seems reasonable. •Force: Newtons, N The front of the packet gives students a place to write down the information. HARVARD. Key Metric Units Potential Energy of the Spring; Ep=1/2.k.x² k is the spring constant and x is the amount of … If I lift 50-pounds two feet in one second, this is “power.” Because James Watt wanted his machines to do more work than a grown man, and because a horse is stronger than a man, he began by establishing what a horse could do. Variables Used Multiply 550 by 60 seconds in a minute, and we have 33,000 foot/pounds per minute. Physics Formulas Work Power Energy/Cheatsheet. Of course, the water dumped out of the bag eventually filtered again into the bilge of the mine. 66. know and what you want to find. m²/s² however, instead of this long unit we use joule. AP Physics - Core Concept Cheat Sheet distances are measured. • Θ = angle Now customize the name of a clipboard to store your clips. work is positive, +. Astronomy 150: Radiative Processes in Astrophysics *1* *2* *3* *4* Physics 210: General Relativity All rights reserved. Mining was, and still is, a labor intense industry. Here's your cheat sheet for every situation. problem is usually a good choice. of force in the direction of motion. location of an object and includes its direction of motion. motion of an object. We never need to know this number. • cos θ = adjacent / hypotenuse The horse lifted 550 pounds of weight a distance of 10 feet in 10 seconds. this is the direction of motion. In order to start playing around with energy transfer, we need a common vocabulary. Topic 5: Energy Lab – Work Input and Output Energy Answer Sheet Sample Data in Table Trial Force Up Incline (N) Length of Incline (m) Total Weight Lifted (N) Vertical Height (m) 1 6 1.0 10 0.5 2 16 1.0 20 0.5 3 23 1.0 30 0.5 Trial Input Work (J) Output Energy (J) Efficiency in % 1 6 x 1 = 6 10 x 0.5 = 5 5/6 x 100% = 83% 2 8 10 80% 3 11 15 73% Questions: 1. 2: 2.31 or .433? Suppose two different suppliers have a pump that meets the system’s requirements (92-ft. @ 600 GPM). •Displacement: meters, m Another element, the specific gravity was incorporated into the basic WHp formula: WHp = H x Q x sp. • Work is done only when a force acts in the direction of He eventually became a mechanical engineer. position, its gravitational potential energy is increased. Menu. Because most mines are dug below the water table, and sometimes below sea level, many mines would eventually flood if it were not for the children and ponies that removed the water from the mines. • When calculating work, be sure to use only the component He was reared and educated in the coal and iron mining region of Scotland. New selection criteria for pumps ensure highest operational efficiencies. 8 open source software cheat sheets … • For conservation of energy problems, try to identify the In other words; 1 joule=1N.1m For menial labor, children were sent into the mines. various types of energy in the situation. If the pump runs for a year, this would mean an additional $3,332 dollars per year in electricity to run the inefficient pump at 10¢ per kilowatt/hour. Be careful, direction of applied net force and direction of motion must be same. Check spoonfeedme.com for free video summaries, notes and cheat sheets by top students. Lets work with it a little. An even cheaper pump might perform the same work and be only 50 percent efficient. Gold Standard MCAT Prep's MCAT Physics Equations Sheet ('cheat sheet' notes, formulas) This MCAT Physics Equations Sheet provides helpful equations for MCAT Physics practice. The number 3,960 converts power into pump language. • a = acceleration We must install a 20-Hp motor onto this pump because no one makes an 18.1 Hp motor. Imagine that we have a pumping system that requires 600 GPM of water, while generating 40 PSI. As stated earlier, one horsepower is 550 foot/pounds per second, and most pumps are rated in flow per minute (GPM). I would like to suggest that a cheat sheet be added to give a quick review of the important points learnt, one for each section and then one sheet for the whole subject. The rope was lowered through the secondary shaft down into the bilge of the mine. If playback doesn't begin shortly, try restarting your device. Demystifying the 2017 code revisions with VFD panels. Rates ofreactionandequilibrium cheat sheet, No public clipboards found for this slide. Have all of the relevant physics information you’ll need to solve kinematics, force, energy, and thermodynamics problems at your fingertips with these handy physics equations and constants. Work can be used to understand the energy of many objects that experience forces. See our User Agreement and Privacy Policy. Clipping is a handy way to collect important slides you want to go back to later. A force is applied an object and object moves in the direction of applied force then we said work has done. • If energy seems to be missing or disappear, consider It’s a good number, but not useful. One example is the work required to stretch a spring. Remember the efficiency next time you go to buy a pump. • W = work • Convert units if needed. U.S. agricultural exports to China have tripled in the past decade and now account for nearly 20 percent of all foreign sales of U.S. agricultural products. From our formula we found unit of work kg. Put this into your “CHEAT SHEETS” and remember it. In other words; 1 joule=1N. What if we could save $800 by buying another comparable pump that meets the needs of the system. Andy's Physics/Math/Astronomy Cheat Sheets Home. In other words; 1 joule=1N.1m • g= Acceleration due to gravity, = -9.8 m/s2 The monthly electric bill will be based on 17.3 Kw, and you must buy a 25 Hp motor to operate the cheaper pump with the reduced efficiency. James defined “energy” as the “capacity to perform work.” James said “work” was defined as “a force exerted over a distance.” And James defined “power” as “work performed within a certain timeframe.” Many people use and interchange the terms “energy,” “power,” and “work” indiscriminately in conversation. vector can be separated and that act in different directions • Energy may appear in different forms, but it is always As technology advanced, pumps were employed to transport liquids other than water. • Displacement: The quantity that describes the change in Shopping. Next, a gallon of water (at sea level and 70 F) weighs 8.333 pounds. This means you •If the force and displacement are in opposite directions, the The numbers may be different, but the result is the same, Pump Guy Cheat Sheet No. Sign up for PI Process Instrumentation eNewsletters. View Energy_Work__Power_Cheat_Sheet.pdf from SCIENCE 107 at Centennial High School, Frisco. including its direction of motion. Watch later. Beer, paint, solvents, milk, lamp oil, acid, and whiskey were made in bottles, buckets, or casks and carried from one place to another. And you also know I was a pump mechanic in the Navy. The more you learn about your most frequent commands, the more you can make them work harder for you. • Thoroughly read the entire problem. Get up to speed in minutes, quickly refer to things you’ve learned, and master keyboard shortcuts. • F = force How It Works; Recognition; Testimonials; FAQ; Educational Resources. Calculate the work done by a 47 N force pushing a pencil 0.26 m. 2. From our formula we found unit of work kg.m²/s² however, instead of this long unit we use joule. • Distance: The quantity that describes the position of an object. Up top, through a secondary mine shaft, a horse was harnessed to a rope through a pulley under a support frame. • Any moving object possesses kinetic energy. due to its position above some base level. I’ll explain. some interaction is constant. C is the amount of heat that must be supplied to raise T of 1 kg by 1 *C. 1 cal = 4.186 J CHAPTER 6: WORK AND ENERGY Man in Escalator a) W = (Fcos θ)s 180* b) W = (F N cos θ)s 0* Person Pushes Shopping Cart 180* Juggles the Clown Shot-putter puts a shot Girl Bouncing Trampoline Rowing Machine Semi-trailer Coasting Firefighter Down a Pole Helicopter from Hospital Hockey Player Pass …
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