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Multiple Choice
Which of the following is an example of an object with gravitational potential energy?
A
A book placed on a shelf
B
A car moving at a constant speed
C
A light bulb turned on
D
A spinning top
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 characteristic of gravitational potential energy: It depends on the object's mass, the height above a reference point, and the gravitational acceleration (usually Earth's gravity).
Analyze each option: A book placed on a shelf has gravitational potential energy because it is elevated above the ground, giving it potential energy due to gravity.
Consider the other options: A car moving at a constant speed has kinetic energy, not potential energy. A light bulb turned on involves electrical energy, and a spinning top has rotational kinetic energy.
Conclude that the book on the shelf is the correct example of an object with gravitational potential energy, as it fits the criteria of having energy due to its position in a gravitational field.