As a pendulum swings back and forth_____________.

A) At the end points of its swing, its energy is all potentialB)At the lowest part of its swing, its energy is all kineticC) Kinetic energy is transformed into potential energyD)Potential energy is transformed into kinetic energyE) All of the above

At highest point Pendulum is momentarily at rest and thus possess all the energy in the form of Potential Energy which is converted into kinetic energy as the pendulum moves downward.

The kinetic energy is maximum at mean position i.e. at lowest point.

Thus all of the given options are true

As a pendulum swings back and forth_____________. A) At the end points of its swing, its energy is all potentialB)At the lowest part of its swing, its energy is all kineticC) Kinetic energy is transformed into potential energyD)Potential energy is transformed into kinetic energyE) All of the above

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As a pendulum swings back and forth_____________.

A) At the end points of its swing, its energy is all potentialB)At the lowest part of its swing, its energy is all kineticC) Kinetic energy is transformed into potential energyD)Potential energy is transformed into kinetic energyE) All of the above