What does the Law of Conservation of Energy state?
AP Energy, Work, and Power

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Science
•
9th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The total amount of energy in a closed system will always stay the same.
2.
FLASHCARD QUESTION
Front
How do you calculate power?
Back
Power is calculated as work done divided by time taken (P = W/t).
3.
FLASHCARD QUESTION
Front
What is gravitational potential energy?
Back
Gravitational potential energy is the energy an object possesses due to its position in a gravitational field, typically calculated as PE = mgh.
4.
FLASHCARD QUESTION
Front
What type of system is the law of conservation of energy defined for?
Back
The law of conservation of energy is defined for a closed, isolated system.
5.
FLASHCARD QUESTION
Front
What is kinetic energy?
Back
Kinetic energy is the energy of an object in motion, calculated as KE = 1/2 mv².
6.
FLASHCARD QUESTION
Front
What is the formula for calculating work?
Back
Work is calculated as the force applied multiplied by the distance moved in the direction of the force (W = Fd).
7.
FLASHCARD QUESTION
Front
What is the unit of power?
Back
The unit of power is the Watt (W), which is equivalent to one Joule per second.
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