What is potential energy?
Energy Test

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•
Science
•
7th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
Potential energy is the energy stored in an object due to its position or state. It is the energy that has the potential to be converted into kinetic energy.
2.
FLASHCARD QUESTION
Front
What is kinetic energy?
Back
Kinetic energy is the energy of an object in motion. It depends on the mass of the object and the square of its speed.
3.
FLASHCARD QUESTION
Front
How is kinetic energy calculated?
Back
Kinetic energy (KE) is calculated using the formula: KE = 1/2 mv², where m is mass and v is velocity.
4.
FLASHCARD QUESTION
Front
What is the relationship between mass and kinetic energy?
Back
Kinetic energy increases with an increase in mass. Doubling the mass of an object will double its kinetic energy if speed remains constant.
5.
FLASHCARD QUESTION
Front
What is the effect of speed on kinetic energy?
Back
Kinetic energy increases with the square of the speed. Doubling the speed of an object will quadruple its kinetic energy.
6.
FLASHCARD QUESTION
Front
What is energy transformation?
Back
Energy transformation is the process of changing energy from one form to another, such as electrical energy to mechanical energy.
7.
FLASHCARD QUESTION
Front
What is friction?
Back
Friction is a force that opposes the motion of an object. It occurs when two surfaces come into contact.
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