the amount of work done per unit of time
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- Name: Date: Power 4.1. In science, work is defined as the force needed to move an object a certain distance. The amount of work done. per unit of time is called power. Suppose you and a friend are helping a neighbor to reshingle the roof of his home. You each carry 10.0 bundles. of shingles weighing 300. newtons apiece up to the roof which is 7.00 meters from the ground.
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- If a moving object is stopped by a collision, extending the stopping distance will reduce the average impact force. The rate of doing work is equal to the rate of using energy since the a force transfers one unit of energy when it does one unit of work. A horsepower is equal to 550 ft lb/s, and a kilowatt is 1000 watts.ower. is the rate of doing work or the rate of using energy, which are numerically the same. If you do 100 joules of work in one second (using 100 joules of energy), the power is 100 watts.
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Unit of time A unit of time is any particular time interval, used as a standard way of measuring or expressing duration. The base unit of time in the International System of Units (SI), and by extension most of the Western world, is the second, defined as about 9 billion oscillations of the caesium atom.
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Work and energy The physics definition of work is: The unit of work is the unit of energy, the joule (J). 1 J = 1 N m. Work can be either positive or negative: if the force has a component in the same direction as the displacement of the object, the force is doing positive work.
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- GDP per hour worked. GDP per hour worked is a measure of labour productivity. It measures how efficiently labour input is combined with other factors of production and used in the production process. Labour input is defined as total hours worked of all persons engaged in production.
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joule Definition. Metric (SI) unit of work and energy. (1) As a unit or work, it is defined as the work done by a force of one newton acting on an object to move it through a distance of one meter in the direction the force is applied.2) As a unit of energy, it is defined as the amount of energy required to raise the temperature of one kilogram of water by one degree Celsius. Or the energy expended in one second by one ampere current against a resistance of one ohm.
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- 9 to 5 redirects here. For other uses, see 9 to 5 (disambiguation). Working time is the period of time that a person spends at paid labor. Unpaid labor such as personal housework or caring for children or pets is not considered part of the working week.
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joule Definition. Metric (SI) unit of work and energy. (1) As a unit or work, it is defined as the work done by a force of one newton acting on an object to move it through a distance of one meter in the direction the force is applied.
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time scale Unit of time measurement (hour, day, week, etc.) used to schedule an activity, job, or task.
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Project Management Series: Effort vs. Duration vs. Elapsed Time This chiefly depends on the measure of time members of the project spend on the project. Effort is most often expressed in Staff - hours, days or weeks. A simple example to explain this concept is, say you begin to paint your house. You work 6 hours a day for 9 days. Your effort would then be the amount of time you take in a day multiplied by the number of days you work, which would be 54 hours. The effort you put in is 54 hours. Duration, however, is the entire time taken to complete the activity that you are assigned, which is based on the resources allocated to the project.
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- refers to an activity involving a force and movement in the directon of the force. A force of 20 newtons pushing an object 5 meters in the direction of the force does 100 joules of work. Energy. is the capacity for doing work. You must have energy to accomplish work - it is like the currency for performing work. To do 100 joules of work, you must expend 100 joules of energy.
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Measurement of Work, Power and Energy Expenditure Work expressed in: joules (= kg*m 2 /s 2), kpm, kcal, foot-lbs 3. Kgm may be used by some (see text) but it is lazy and basically wrong! 4. N*m CAN be used . B. Power: 1. The amount of work accomplished per unit time (instantaneous measure) 2. Power = work = F x d time time 3. Power expressed in: Watts (J/s), horsepower (hp), kpm/min 4. Some conversions between units . III. Ergometry: Devices used in the Measurement of Work & Power
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- Definition of Full-Time Employee. For purposes of the employer shared responsibility provisions, a full-time employee is, for a calendar month, an employee employed on average at least 30 hours of service per week, or 130 hours of service per month. The look-back measurement method.
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Chapter 5: Energy and Power Power is the rate at which work is done or the amount of work done in a unit of time. Or Power is the rate at which energy is transferred from one object to another or converted from one form to another.
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joule 1. A unit of work or energy transfer. One joule is equal to work done by a force of one newton moved about 1 m in the direction of the force. 2. (J) A unit of energy equal to the work done when a force of one newton is applied through a distance of one meter. Used instead of calorie: 1 J = 0.239 cal.
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- For example, if 1000 units are in work-in-process at the end of the period and are considered 80% complete, the equivalent production is 800 units. The equivalent unit cost of an item equals the total cost divided by the equivalent units. If the total cost of the item was $2400, the unit cost would be $3 ($2400/800).
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- Labor productivity is the value of goods and services produced in a period of time, divided by the hours of labor used to produce them. In other words labor productivity measures output produced per unit of labor, usually reported as output per hour worked or output per employed person.
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- refers to an activity involving a force and movement in the directon of the force. A force of 20 newtons pushing an object 5 meters in the direction of the force does 100 joules of work. Energy. is the capacity for doing work. You must have energy to accomplish work - it is like the currency for performing work.
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- Labor productivity is the value of goods and services produced in a period of time, divided by the hours of labor used to produce them. In other words labor productivity measures output produced per unit of labor, usually reported as output per hour worked or output per employed person.abor productivity is the value of goods and services produced in a period of time, divided by the hours of labor used to produce them. In other words labor productivity measures output produced per unit of labor, usually reported as output per hour worked or output per employed person.
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- Work can be defined as transfer of energy. In physics we say that work is done on an object when you transfer energy to that object. If one object transfers (gives) energy to a second object, then the first object does work on the second object. Work is the application of a force over a distance. Lifting a weight from the ground and putting it on a shelf is a good example of work.
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Activity Based Costing The unit-level activities are performed each time a unit of a product is produced. The number of times unit-level activities (such as drilling holes and inspecting every part) are performed varies according to the number of units produced. The batch-level activities are performed each time a batch of goods is produced.
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Work, Energy and Power The unit of power is joules per second or J/s when work is measured in joules and time in seconds. The basic unit of power, 1 J/s is called a watt (W), named after James Watt who made important improvements to the steam engine. By definition, a watt is the consumption of one joule of energy per second. 1 W = 1 J/s.
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Employee Productivity & Efficiency Calculations Productivity is simply the amount of units of a product or service that an employee handles in a defined time frame. An employee who makes widgets might make 20 widgets per hour, or an employee at a coffee shop might service 15 customers per hour.
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Power Power is the rate at which work is done, and energy is the capacity for doing work. Energy is often expressed in kilowatt-hours, and power is often expressed in kilowatts.
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Work-Energy Principle The rate of doing work is equal to the rate of using energy since the a force transfers one unit of energy when it does one unit of work. A horsepower is equal to 550 ft lb/s, and a kilowatt is 1000 watts.
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productivity Definition of productivity: The amount of output per unit of input (labor, equipment, and capital). There are many different ways of measuring... Definition of productivity: The amount of output per unit of input (labor, equipment, and capital). There are many different ways of measuring productivity. For example, in a factory productivity might be measured based on the number of hours it takes to produce a good, while in the service sector productivity might be measured based on the revenue generated by an employee divided by his/her salary.