Question
Consider the diagram of a pendulum's motion shown above. A pendulum can be used to model the change from potential energy to kinetic energy and back to potential energy. According to the diagram, where are energy conversions taking place?
Responses
A point Apoint A
B point Bpoint B
C point Cpoint C
D Both points A and C
Responses
A point Apoint A
B point Bpoint B
C point Cpoint C
D Both points A and C
Answers
GPT-4o mini
In a pendulum's motion, energy conversions take place from potential energy to kinetic energy and back.
- At **point A**, the pendulum is at its highest position, where it has maximum potential energy and minimum kinetic energy.
- At **point B**, the pendulum is at its lowest point, where it has maximum kinetic energy and minimum potential energy.
- At **point C**, the pendulum is rising again, so potential energy is increasing while kinetic energy is decreasing.
Therefore, energy conversions are occurring at both point A (potential to kinetic) and point C (kinetic to potential).
The best response would be:
D. Both points A and C.
- At **point A**, the pendulum is at its highest position, where it has maximum potential energy and minimum kinetic energy.
- At **point B**, the pendulum is at its lowest point, where it has maximum kinetic energy and minimum potential energy.
- At **point C**, the pendulum is rising again, so potential energy is increasing while kinetic energy is decreasing.
Therefore, energy conversions are occurring at both point A (potential to kinetic) and point C (kinetic to potential).
The best response would be:
D. Both points A and C.