horsepower is how much work done per minute
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- 80 foot-pounds/1 minute = 80 foot-pounds per minute. If three people pull the object 2 feet in .5 minutes, the power produced is: 80 foot-pounds/.5 minute = 160 foot-pounds per minute. Note that the work required is the same even with more people pulling the load. 5. What is horsepower? A. The standard unit of measure for measuring power produced. B. Horsepower is based on how much power a single horse can develop, or how much work a single horse can do in one minute. C. James Watt determined that one horse could exert 330 pounds of force in moving a load 100 feet in one minute. • Using the formula for calculating power, Watt determined that one horsepower = 33,000 foot pounds per minute: Force (pounds) x Distance (feet) Power = Time (minutes)
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Talk:Celsius In physics, power (symbol: P) is the rate at which work is performed. In the SI system of measurement, power is measured in watts (symbol: W). This can be modeled as an energy flow, equivalent to the rate of change of the energy in a system, or the time rate of doing work.
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How Horsepower Works What dynamometers actually measure is torque (in pound-feet), and to convert torque to horsepower you simply multiply torque by rpm/5,252. If you plot the horsepower versus the rpm values for the engine, what you end up with is a horsepower curve for the engine. A typical horsepower curve for a high-performance engine might look like this (this happens to be the curve for the 300-horsepower engine in the Mitsubishi 3000 twin-turbo):
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horsepower (hôrs′pou′ər) A unit used to measure the power of engines and motors. One unit of horsepower is equal to the power needed to lift 550 pounds one foot in one second. This unit has been widely replaced by the watt in scientific usage. (hp) A unit of work representing the power needed to raise 550 lb by 1 ft in 1 s.
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Brake Abs Warning Light Problems of Mazda Tribute Brake Abs Warning Light problem of the 2003 Mazda Tribute 2. My 2003 Mazda Tribute was recalled in may 2007 for abs voluntary safety recall. I took it in that same month and the dealer determined module connector did not need to be replaced.
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- Horsepower is how much energy the engine can generate at a given rpm. While cc's have some bearing, so does engine timing, fuel type, volume and method of introduction into the cylinder along with many other factors. Even altitude above sea level can effect Hp.
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Watt This unit is typically used to express the output power of engines and the power of electric motors, tools, machines, and heaters. It is also a common unit used to express the electromagnetic power output of broadcast radio and television transmitters. One kilowatt is approximately equal to 1.34 horsepower.
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Horsepower Boiler horsepower is a boiler's capacity to deliver steam to a steam engine and is not the same unit of power as the 550 ft-lb/s definition. One boiler horsepower is equal to the thermal energy rate required to evaporate 34.5 lb of fresh water at 212 °F in one hour.
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How many WATTS = 1 Horsepower? 1 The boiler horsepower is used for rating steam boilers and is equivalent to 34.5 pounds (about 15.6 kg) of water evaporated per hour at 212 degrees Fahrenheit (100 degrees Celsius), or 9809.5 watts. 2  One horsepower for rating electric motors is equal to 746 watts.
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horsepower horsepower (countable and uncountable, plural horsepowers or horsepower) A non-metric unit of power (symbol hp) with various definitions, for different applications. The most common of them is probably the mechanical horsepower, approximately equal to 745.7 watts.
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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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The Meaning of Horsepower and Torque James Watt later made reference to the potential work that a horse can do (horsepower) as a way to market a new and improved steam engine. He determined that a horse can do 33,000 foot-pounds of work in one minute (the equivalent of pulling one pound of weight 33,000 feet in distance). The Definition of Torque. Torque is the tendency of a force to move around a point. In other words, torque refers to twisting force.
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What if I put a one horsepower engine into my car? At 60 mph, a typical car needs 10 to 20 horsepower simply to maintain its speed. That energy level is needed to overcome wind resistance and the rolling resistance in the tires. If you have the headlights on, the alternator is using power to generate electricity for the lights.
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Kilowatts to horsepower conversion One mechanic or hydraulic horsepower is equal to 0.745699872 kilowatts: 1 hp(I) = 745.699872 W = 0.745699872 kW. So the power conversion of horsepower to kilowatts is given by: P (kW) = 0.745699872 P (hp).
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Watts to horsepower conversion Enter the power in watts and press the Convert button: Horsepower to watts conversion ►. One mechanic or hydraulic horsepower is equal to 745.699872 watts: 1 hp(I) = 745.699872 W. So the power conversion of watts to horsepower is given by:
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- Motor power is rated in horsepower and watts. Horsepower is used to measure the energy produced by an electric motor while doing work. To calculate the horsepower of a motor when current and efficiency, and voltage are known, apply this formula: HP = V x I x Eff 746 HP = horsepower V = voltage I = curent (amps) Eff.alculating Full-load Torque: Full-load torque is the torque to produce the rated power at full speed of the motor. The amount of torque a motor produces at rated power and full speed can be found by using a horsepower-to-torque conversion chart.
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Pumps, Fans and Turbines - Horsepower British Horse Power in pumps, fans and turbines - and how to convert to other commonly used units. Horsepower. Horsepower is the imperial (British) unit of power. Note that Power is Work per unit time and work is Force through distance. In gravity systems Force is Weight - mass multiplied with gravity. The total horsepower developed by water falling from a given height is the product of the mass flow rate in pounds per minute times the falling height in feet divided by 33000.
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- Crankshaft Horsepower vs. Wheel Horsepower. The term horsepower refers to the work power produced by cars or equipment. Car enthusiasts and manufacturers have two ways of measuring horsepower, at the wheel or at the crankshaft. Each method will give different results, so it is important to understand the differences.
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- 1 cubic feet per second falling 8.81 feet = 1 horsepower. 1 cubic feet per second falling 10.0 feet = 1.135 horsepower. 1 cubic feet per second falling 11.0 feet = 1 horsepower at 80-percent efficiency. 1 cubic feet per second flowing for 1 year will cover 1 square mile 1.131 feet, or 13.572 inches, deep.
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- 1 1 horsepower = 746 watts = 0.746 kW = 10.7 calories/min = 550 ft-lbs/second. 2  1 calorie/second = 9.81 watts. 3  1 kilowatt = 0.239 calorie/sec = 1.34 hp = 4.43 E4 ft-lbs/min.
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Horsepower: Gross vs. Real-World Generally speaking, horsepower is an indication of how capable a vehicle is at moving itself around and, consequently, the more horsepower a vehicle possesses, the quicker it can move between two points. In addition to determining how quickly a car or truck can move, horsepower has a direct relationship to top speed.
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- PkW = 0.85 (230 V) (10 amps) / 1000 = 1.96 kW. Php = 0.85 (230 V) (10 amps) / 746 = 2.62 hp. Electrical power is in general rated in watt (W) or horsepower (HP). A horsepower is a unit of power equal to 746 watts or 33,000 lb.ft per minute (or 550 lb.ft per second). A watt is equal to the power produced by a current of 1 amp across the potential difference of 1 volt. A watt is 1/746 of 1 horsepower. Even if the watt is the base unit of electrical power, it is common to rate motor power in either horsepower or kilowatts.
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Power The power rating relates to how rapidly the car can accelerate the car. Suppose that a 40-horsepower engine could accelerate the car from 0 mi/hr to 60 mi/hr in 16 seconds. If this were the case, then a car with four times the horsepower could do the same amount of work in one-fourth the time. That is, a 160-horsepower engine could accelerate the same car from 0 mi/hr to 60 mi/hr in 4 seconds. The point is that for the same amount of work, power and time are inversely proportional.
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- For every turn of the motor, you get a given push (torque). The faster you turn the motor (revolutions per minute RPMs), the more pushes you get per minute. The force of the pushes x the frequency of the pushes equals your power (horsepower).