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Multiple Choice
Which of the following is not an example of gravitational potential energy?
A
A book placed on a shelf
B
A satellite orbiting Earth
C
Water stored in a dam
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. The higher the object is, the more gravitational potential energy it has.
Analyze each option: A book placed on a shelf has gravitational potential energy because it is elevated above the ground. Water stored in a dam has gravitational potential energy due to its height above the base of the dam.
Consider the satellite orbiting Earth: Although it is in motion, it has gravitational potential energy due to its position relative to Earth. The gravitational force between the satellite and Earth contributes to its potential energy.
Examine the compressed spring: A compressed spring has elastic potential energy, not gravitational potential energy. Elastic potential energy is stored when objects are compressed or stretched.
Identify the correct answer: The compressed spring is not an example of gravitational potential energy, as its energy is derived from its compression, not its position in a gravitational field.