Energy, Work and Power

Flashcard
•
Physics, Science
•
8th - 9th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the relationship between energy, work, and power?
Back
Energy is the capacity to do work, work is the transfer of energy, and power is the rate at which work is done.
2.
FLASHCARD QUESTION
Front
Define Kinetic Energy (KE).
Back
Kinetic Energy is the energy of an object due to its motion, calculated using the formula KE = 1/2mv².
3.
FLASHCARD QUESTION
Front
What factors affect Kinetic Energy?
Back
Kinetic Energy depends on the mass (m) of the object and the square of its velocity (v).
4.
FLASHCARD QUESTION
Front
What is the formula for Potential Energy (PE)?
Back
The formula for Potential Energy is PE = mgh, where m is mass, g is the acceleration due to gravity, and h is height.
5.
FLASHCARD QUESTION
Front
How do you calculate the Potential Energy of an object?
Back
Potential Energy is calculated by multiplying the mass of the object by the acceleration due to gravity and the height above the ground.
6.
FLASHCARD QUESTION
Front
What is the unit of energy in the International System of Units (SI)?
Back
The unit of energy in the SI system is the Joule (J).
7.
FLASHCARD QUESTION
Front
Explain the concept of work in physics.
Back
Work is done when a force causes an object to move in the direction of the force, calculated as Work = Force × Distance.
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