Introduction to Elastic Potential Energy with Examples
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- čas přidán 7. 08. 2024
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Mr. Fullerton of APlusPhysics.com makes a guest appearance as a floating head to help us learn about Elastic Potential Energy. Several examples of objects which store elastic potential energy are shown and one example of stored elastic potential energy is calculated.
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This is an AP Physics 1 topic.
0:00 Defining Elastic Potential Energy
1:38 The equation for Elastic Potential Energy
2:08 Defining the Spring Constant
3:27 Elastic Potential Energy stored in a rubber band (Mr. Fullerton’s entrance).
3:39 Showing equilibrium position (or rest position).
4:00 Determining the Spring Constant
4:55 Solving for Elastic Potential Energy
5:44 Solving for the units of Elastic Potential Energy
6:29 Can Elastic Potential Energy be negative?
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what about from -.5 back to 0? i did it, i cant remember how.
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Use spring of ⏰ so we found the total energy storage in it and we use it in many ways like hydraulic and electricity to recharge our car battery 🔋
And trimmer and so on
Where did you get the 241 ???
The spring constant, which is 241 N/m for this spring, is the slope of the force as a function of displacement from equilibrium position.
Is spring constant and force constant the same?
Yes, a spring constant is sometimes called a force constant.
Oh...! thanks! You really helped alot, gotta do a report about Elastic potential Energy!
You are welcome! I hope the report goes well.
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Kinetic energy for a freely falling object
When an object is positioned at a certain height, it must have a certain amount of potential energy.
If this block is allowed to descend freely due to gravity's acceleration, the object's potential energy can be converted to kinetic energy.
The mass of the object, its acceleration owing to gravity, and the height at which it is put determine the potential energy of the object.
The kinetic energy of an object is determined by the mass of the thing and the velocity at which it is traveling.
When an object falls from a certain height, the object's potential energy reduces but its kinetic energy increases.
The complete potential energy of the object is transformed to kinetic energy at the moment it reaches the ground.
When an object collides with the ground, its kinetic energy is transformed into heat and sound energy, which is why sound is produced when it falls to the earth.
Hence, when an object falls freely, its potential energy gets converted into kinetic energy. When the object hits the ground, its kinetic energy gets converted into heat energy and sound energy.
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