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What's the difference between power and energy?Thanks

Anonymous · Accepted Answer

How do you mean? Power is energy expended over time. Or power is ability or influence, and energy is willingness and capacity for effort.

Anonymous · Answer

nonymous
What's the difference between power and energy?
Thanks

Good questions! These two words are used and heard quite frequently in today's modern life. This is my interpretation. In human terms, power could be referred to as one's dominance over others, i.e. a dictator of a country. It also can be used to describe military might, like US has the strongest naval power in the world. That is the simple explanation. We also have the power of nature. Examples:"The power of the storm knocked down trees and advertising signs; and "Despite of its immense distance from earth, 92.6 millions miles away to be precise, our planet will not have survived without the power of the sun, which has provided just the right amount of power for all the living things on earth to thrive. As a result, the photosythesis process turns the power from the sun to energy for all the plants and vegitation for millions of years."

We often talk about home engery which is the electrical power from the local "power company" that our appiances needed to operate. News extract:"PG&E announced the approved rate hike and customers will expect to pay more for their energy in the coming month".

We human consume a healthy amount of food everyday which our body needs to generate energy to play and to work. And in the process we can use the energy to develop power in our muscles. So with the context, we can loosely summerize by saying "energy" is the fuel something needed to keep running/operating, like a windmill that needs the wind to continously turn. "Energhy" is a lower order word whereas "power" contains the meaning of force which can provide or to destroy. That's how I see it. aside from the dictionary explanations.

CalifJim · Answer

anonymous
What's the difference between power and energy?
Thanks

Both are used in various ways. When you know how they are used, you understand their meanings better. The best way to study the differences between words is to look them up in a dictionary first, and then study examples in sentences. You can use a corpus like fraze.it to find hundreds of sentences that use these words.

Here are some examples I found, somewhat randomly presented:

power

Sudan's president, Omar Hassan al-Bashir, took power in a military coup in 1989. (took command of the country)
power struggle - a struggle to take power (command)
handing over power - giving up the command/authority to lead a political entity
Lawmakers have made plain they don't intend to give up their rate-setting power. (their authority to set rates)
the balance of power - equalizing the authority of competing groups

More power to her! - Good for her!
staying power - stamina
a good power hitter - (baseball) a strong and able hitter

A power failure caused valves to a storage tank to open and the tank overfilled. (a failure of the system of providing electricity)
power plants - facilities that produce electricity
_______________________________________

energy

The easiest way to keep your energy up at work is to eat regularly and eat well. (strength (of the body))
You have the confidence and energy to take on the activity you've been avoiding. (strength (of body or mind))
The standing ovation that met the end of the concerto was like a wall of energy. (excitement, enthusiasm)

They would do better to put that energy into developing a little self-awareness. (effort)
I probably didn't put enough energy into it. (effort, force, enthusiasm)
The fish hit the worm with some major energy. (force)

Compared with fossil fuels, biomass can provide a carbon-neutral form of energy. (fuel)
Renewable energy - solar, wind, waves, from the viewpoint of their ability to produce electricity
Clean energy still costs vastly more than fossil fuels. (sources of producing power)
The Seattle-based start-up sells software that manages energy used by computers. (electricity)

CJ

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