How does energy varies in an oscillating pendulum. Express how many times potential energy and kinetic energy attain maximum in an oscillation?

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Solution

Dear Student ,
$P o t e n t i a l e n e r g y i s m a x i m u m t w i c e t h a t i s a t t h e e x t r e m e e n d s a t t h e m e a n p o s i t i o n k i n e t i c e n e r g y i s m a x i m u m = m g h B u t m e c h a n i c a l e n e r g y (P o t e n t i a l E n e r g y + K i n e t i c E n e r g y) r e m a i n s c o n s \tan t t h r o u g h o u t i n a c c o r d a n c e w i t h t h e l a w o f c o n s e r v a t i o n o f e n e r g y .$

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How does energy varies in an oscillating pendulum. Express how many times potential energy and kinetic energy attain maximum in an oscillation?

Dear Student , Potential energy is maximum twice that is at the extreme ends at the mean position kinetic energy is maximum =mgh But mechanical energy (Potential Energy+Kinetic Energy) remains constant throughout in accordance with the law of conservation of energy . Regards