What is the Law of Conservation of Energy?
Conservation of Energy

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Physics
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9th - 12th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
The Law of Conservation of Energy states that energy cannot be created or destroyed, only transformed from one form to another.
2.
FLASHCARD QUESTION
Front
What is Kinetic Energy (KE)?
Back
Kinetic Energy is the energy an object possesses due to its motion, calculated using the formula KE = 1/2 mv², where m is mass and v is velocity.
3.
FLASHCARD QUESTION
Front
What is Gravitational Potential Energy (GPE)?
Back
Gravitational Potential Energy is the energy an object possesses due to its position in a gravitational field, calculated using the formula GPE = mgh, where m is mass, g is the acceleration due to gravity, and h is height.
4.
FLASHCARD QUESTION
Front
How does energy transform from GPE to KE?
Back
As an object falls, its GPE decreases while its KE increases, demonstrating the transformation of energy from potential to kinetic.
5.
FLASHCARD QUESTION
Front
What happens to the total mechanical energy in a closed system?
Back
In a closed system, the total mechanical energy (sum of KE and GPE) remains constant, assuming no energy is lost to friction or air resistance.
6.
FLASHCARD QUESTION
Front
What is the formula to calculate the change in GPE?
Back
The change in Gravitational Potential Energy can be calculated using the formula ΔGPE = mgΔh, where Δh is the change in height.
7.
FLASHCARD QUESTION
Front
What is the relationship between height and GPE?
Back
Gravitational Potential Energy increases with height; the higher an object is, the more GPE it has.
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