What happens to gravitational potential energy as an object moves downhill?
5470 Conservation of Energy (PEg, KE only)

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Physics
•
11th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Gravitational potential energy decreases.
2.
FLASHCARD QUESTION
Front
If two objects have different masses but reach the same height, how do their final speeds compare?
Back
They have the same final speed when they reach the bottom.
3.
FLASHCARD QUESTION
Front
What is the relationship between kinetic energy and gravitational potential energy in a frictionless system?
Back
As gravitational potential energy decreases, kinetic energy increases, and vice versa.
4.
FLASHCARD QUESTION
Front
What is mechanical energy?
Back
Mechanical energy is the sum of kinetic energy and gravitational potential energy in a system.
5.
FLASHCARD QUESTION
Front
What is the principle of conservation of energy?
Back
The total energy in a closed system remains constant; energy can neither be created nor destroyed, only transformed.
6.
FLASHCARD QUESTION
Front
What happens to total mechanical energy during a collision?
Back
Total mechanical energy can be lost due to non-conservative forces like friction, sound, and heat.
7.
FLASHCARD QUESTION
Front
What type of energy is constant when a ski lift moves at constant speed?
Back
Kinetic energy remains constant.
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