Questions and Answers
What type of energy is stored in a bow and arrow when it is drawn?
What happens to the potential energy of roller coaster cars when they go down the hill?
It is transformed into kinetic energy.
In a roller coaster, potential energy and kinetic energy are always the same.
False
What does a boulder sitting on top of a mountain represent?
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What happens to a skateboarder going down a hill?
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How do you add potential energy to a rubber band?
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Where is potential energy highest in a swing?
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What happens to gravitational potential energy during work?
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In a pendulum, as the weight falls, it gains potential energy.
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What occurs to kinetic energy when a ball is tossed up?
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Study Notes
Potential and Kinetic Energy Concepts
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Elastic Potential Energy in a Bow and Arrow: Stretching the bow stores elastic potential energy, which transforms into kinetic energy upon release, propelling the arrow.
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Potential Energy in Roller Coasters: The maximum potential energy occurs at the highest point of a roller coaster; it shifts to kinetic energy as the cars descend.
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Energy Conservation in Roller Coasters: Total mechanical energy (potential + kinetic) remains constant while their individual amounts fluctuate during the ride.
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Boulder's Potential Energy: A stationary boulder atop a mountain possesses significant potential energy due to its height and mass. Its potential energy can have dangerous consequences if released.
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Kinetic Energy of a Skateboarder: As a skateboarder descends a hill, potential energy is converted into kinetic energy, increasing speed.
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Elastic Potential Energy in a Rubber Band: Stretching a rubber band stores potential energy, which is released as kinetic energy upon release.
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Gravitational Potential Energy in a Swing: At the highest point (point A), potential energy peaks and kinetic energy bottoms out. Conversely, at the lowest point (point B), kinetic energy reaches its maximum while potential energy is minimal.
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Work Utilization of Potential Energy: Gravitational potential energy in a heavy weight is converted into kinetic energy for performing work, such as driving a stake into the ground.
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Pendulum Energy Conversion: A pendulum converts potential energy to kinetic energy as it swings down. At the lowest point, kinetic energy is maximized, enabling the swing back up and regaining potential energy.
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Ball Toss Energy Transition: Tossing a ball upward adds kinetic energy, which converts into potential energy at the peak. As the ball falls, potential energy is converted back into kinetic energy due to gravity.
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Description
Explore the concepts of potential and kinetic energy through flashcards. This quiz features key definitions and examples, such as elastic potential energy in a bow and arrow and the potential energy of roller coasters. Perfect for understanding energy transformations in various scenarios.
