

Unit 6 Work and Energy Review
Flashcard
•
Physics
•
12th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the principle of conservation of energy?
Back
The principle of conservation of energy states that energy cannot be created or destroyed, only transformed from one form to another.
2.
FLASHCARD QUESTION
Front
Define kinetic energy (KE).
Back
3.
FLASHCARD QUESTION
Front
What is gravitational potential energy (PE)?
Back
4.
FLASHCARD QUESTION
Front
Explain the relationship between work and energy.
Back
Work is done when a force causes an object to move, and it is equal to the change in energy of that object. The work-energy theorem states that the work done on an object is equal to the change in its kinetic energy.
5.
FLASHCARD QUESTION
Front
What is the formula for calculating work (W)?
Back
6.
FLASHCARD QUESTION
Front
What is the difference between elastic and inelastic collisions?
Back
In elastic collisions, both momentum and kinetic energy are conserved. In inelastic collisions, momentum is conserved, but kinetic energy is not.
7.
FLASHCARD QUESTION
Front
Define mechanical energy.
Back
Mechanical energy is the sum of kinetic energy and potential energy in a system, representing the total energy available for doing work.
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