Energy Concepts Practice (#2)
Flashcard
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Physics
•
7th Grade
•
Easy
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15 questions
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1.
FLASHCARD QUESTION
Front
What is kinetic energy?
Back
Kinetic energy is the energy an object possesses due to its motion. It depends on the mass of the object and its velocity.
2.
FLASHCARD QUESTION
Front
What is gravitational potential energy?
Back
Gravitational potential energy is the energy an object has due to its position in a gravitational field, typically related to its height above the ground.
3.
FLASHCARD QUESTION
Front
What is spring potential energy?
Back
Spring potential energy is the energy stored in a compressed or stretched spring, which can be released to do work.
4.
FLASHCARD QUESTION
Front
How is mechanical energy defined?
Back
Mechanical energy is the sum of potential energy and kinetic energy in a system.
5.
FLASHCARD QUESTION
Front
What happens to energy in a closed system?
Back
In a closed system, energy cannot be created or destroyed; it can only be transformed from one form to another.
6.
FLASHCARD QUESTION
Front
What is the principle of energy transformation?
Back
Energy transformation is the process of changing energy from one form to another, such as from potential energy to kinetic energy.
7.
FLASHCARD QUESTION
Front
What role does friction play in energy transfer?
Back
Friction converts kinetic energy into thermal energy, causing moving objects to eventually stop.
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