Work, Power, and Energy
Flashcard
•
Physics, Other
•
9th - 11th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the imaginary boundary called when used to describe energy transformations in objects?
Back
System
2.
FLASHCARD QUESTION
Front
Energy can be transformed from one form into another, but the total amount of energy never changes. What is this principle called?
Back
Law of conservation of energy
3.
FLASHCARD QUESTION
Front
What is the formula for kinetic energy?
Back
KE = 1/2 mv²
4.
FLASHCARD QUESTION
Front
A soccer player kicks a ball with 20 Newtons of force causing it to travel 100 meters. How much work is done on the ball?
Back
2000 J
5.
FLASHCARD QUESTION
Front
What is the product of the net force on an object and the distance through which the object is moved?
Back
Work
6.
FLASHCARD QUESTION
Front
What is the unit of work in the International System of Units (SI)?
Back
Joule (J)
7.
FLASHCARD QUESTION
Front
What is the definition of power in physics?
Back
The rate at which work is done or energy is transferred.
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