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Multiple Choice
Which of the following is an example of gravitational potential energy?
A
A charged capacitor
B
A moving car
C
A rock at the edge of a cliff
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 a reference point.
Identify the key characteristics of gravitational potential energy: It depends on the mass of the object, the height above the ground, and the gravitational acceleration (usually Earth's gravity).
Analyze each option: A charged capacitor stores electrical potential energy, not gravitational. A moving car has kinetic energy due to its motion.
Consider the option 'A rock at the edge of a cliff': The rock has gravitational potential energy because it is elevated above the ground and can fall due to gravity.
Evaluate the option 'A compressed spring': This stores elastic potential energy, not gravitational, as it is related to the deformation of the spring.