Calculating Work Done by a 2HP Engine to Pump Water

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SUMMARY

The discussion centers on calculating the work done by a 2 Horsepower (HP) engine operating a water pump for 24 hours. The formula for work, W = F * D, is highlighted, with a focus on understanding that horsepower measures power, not force. To solve for work done, one must determine the distance (D) the water is pumped, which is essential for completing the calculation. Additionally, the implications of using a 1.0 horsepower engine for the same task are considered, emphasizing the differences in power output.

PREREQUISITES
  • Understanding of basic physics concepts, specifically work and power.
  • Familiarity with the formula W = F * D.
  • Knowledge of horsepower as a unit of power.
  • Basic problem-solving skills in physics applications.
NEXT STEPS
  • Research the relationship between horsepower and work done over time.
  • Learn how to calculate force and distance in practical scenarios.
  • Explore the efficiency differences between 2HP and 1HP engines in pumping applications.
  • Investigate real-world examples of engine power ratings and their impact on performance.
USEFUL FOR

Students studying physics, engineers involved in mechanical design, and anyone interested in understanding the practical applications of power and work in machinery.

dreamgirl
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Homework Statement



A 2 Horsepower engine runs a water pump for 24 hours

a. What is the work done by the engine?
b. What would happen if a 1.0 horsepower was used to pump the same amount of water?

W= F * D

But i don't know what D is? so how must i solve this?
please help! :[
 
Physics news on Phys.org
Here's a hint, horsepower is not a force. It is actually a unit of power.
 

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