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Work And Energy — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceWork And Energy2 Marks
Question
How does energy varies in an oscillating pendulum? Express how many times potential energy and kinetic energy attain maximum in an oscillation?
✓

Answer

PE is maximum twice that is at the extreme ends at the mean position KE is maximum = mgh
But mechanical energy (PE + KE) remains constant throughout in accordance with the law of conservation of energy.

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