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Multiple Choice
Which of the following is an example of gravitational potential energy?
A
A charged capacitor
B
A book placed on a shelf
C
A moving car
D
A compressed spring
Verified step by step guidance
1
Understand the concept of gravitational potential energy: It is the energy an object possesses due to its position in a gravitational field, typically related to its height above the ground.
Identify the key characteristics of gravitational potential energy: It depends on the mass of the object, the height above a reference point, and the gravitational acceleration (usually Earth's gravity).
Analyze the options given: A charged capacitor involves electrical potential energy, a moving car involves kinetic energy, and a compressed spring involves elastic potential energy.
Consider the option of a book placed on a shelf: The book has gravitational potential energy because it is elevated above the ground, and if it were to fall, this energy would convert to kinetic energy.
Conclude that the book on the shelf is the correct example of gravitational potential energy, as it fits the criteria of having energy due to its position in a gravitational field.