Short answerEasy1 mark
5(a)
The figure below shows a simple pendulum of mass 200 g. It is displaced from the mean position A to the extreme position B. The potential energy at the position A is zero. At the position B the pendulum bob is raised by 5 m.
What is the potential energy of the pendulum at the position B ?
Topic: Potential energy of a pendulum bob
Previous-year question practice database
Answer
Exam answer
10 J.
Explanation
PE = mgh = 0.2×10×5.
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