Energy, Work, and Simple Machines

Flashcard
•
Science, Physics
•
8th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the sum of potential energy and kinetic energy in a system of objects?
Back
Mechanical energy.
2.
FLASHCARD QUESTION
Front
What is a machine that does work through the use of one movement?
Back
Simple machine.
3.
FLASHCARD QUESTION
Front
What is a flat, sloped surface used to help lift objects?
Back
Inclined plane.
4.
FLASHCARD QUESTION
Front
What is the ratio of output work to input work called?
Back
Efficiency.
5.
FLASHCARD QUESTION
Front
What form of kinetic energy does an electric current carry?
Back
Electric energy.
6.
FLASHCARD QUESTION
Front
What is the energy stored in an object due to its position?
Back
Potential energy.
7.
FLASHCARD QUESTION
Front
What is the energy of motion?
Back
Kinetic energy.
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