What is potential energy?
Energy ACP Review

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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
Potential energy is the energy stored in an object due to its position or configuration. It is often associated with the height of an object above the ground.
2.
FLASHCARD QUESTION
Front
How is gravitational potential energy calculated?
Back
Gravitational potential energy (PE) is calculated using the formula: PE = mgh, where m is mass (in kg), g is the acceleration due to gravity (approximately 9.81 m/s²), and h is height (in meters).
3.
FLASHCARD QUESTION
Front
If 780 J of work is done to lift an object, what is its potential energy at that height?
Back
The potential energy of the object at that height is 780 J.
4.
FLASHCARD QUESTION
Front
What is the relationship between kinetic energy and the speed of an object?
Back
The faster an object moves, the more kinetic energy it has. Kinetic energy (KE) is calculated using the formula: KE = 0.5mv², where m is mass and v is velocity.
5.
FLASHCARD QUESTION
Front
What is the total mechanical energy (ME) of an object?
Back
Total mechanical energy (ME) is the sum of an object's potential energy (PE) and kinetic energy (KE): ME = PE + KE.
6.
FLASHCARD QUESTION
Front
At what point in a pendulum's swing is kinetic energy greatest?
Back
Kinetic energy is greatest at the lowest point of the swing.
7.
FLASHCARD QUESTION
Front
What happens to potential energy as an object falls?
Back
As an object falls, its potential energy decreases while its kinetic energy increases, assuming no energy is lost to friction.
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