Exam-style question
Try this first
When a pendulum swings, what type of energy transformation occurs at the highest point of its swing?.
- A.Kinetic energy to potential energy.
- B.Potential energy to kinetic energy.
- C.Thermal energy to kinetic energy.
- D.Kinetic energy to thermal energy.
Model answer
What a good answer should say
- Kinetic energy to potential energy.
Explanation
Why this works
At the highest point of a pendulum's swing, its speed is momentarily zero, meaning all the kinetic energy has been converted to potential energy, maximizing potential energy at that point.
Common mistake
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