As the pendulum swings freely, what is happening to its energy?(1 point)%0D%0AResponses%0D%0A%0D%0AKE converts to PE, and then total energy becomes zero%0D%0AKE converts to PE, and then total energy becomes zero%0D%0A%0D%0APE converts to KE, and then total energy becomes zero%0D%0APE converts to KE, and then total energy becomes zero%0D%0A%0D%0AKE converts to PE as it falls, and then PE converts to KE as it rises%0D%0AKE converts to PE as it falls, and then PE converts to KE as it rises%0D%0A%0D%0APE converts to KE as it falls, and then KE converts to PE as it rises
PE converts to KE as it falls, and then KE converts to PE as it rises
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As the pendulum swings freely, its energy is constantly changing between kinetic energy (KE) and potential energy (PE). Initially, when the pendulum is at its highest point, it has maximum potential energy and zero kinetic energy. As it swings downwards, the potential energy converts to kinetic energy. At the lowest point of the swing, it has maximum kinetic energy and zero potential energy.
As the pendulum rises back up, the kinetic energy converts back into potential energy. At the highest point of the swing again, it has maximum potential energy and zero kinetic energy. This process continues as the pendulum swings back and forth, with the energy shifting between kinetic and potential forms.
Therefore, the correct answer is: KE converts to PE as it falls, and then PE converts to KE as it rises.
The correct answer is:
PE converts to KE as it falls, and then KE converts to PE as it rises.
When a pendulum swings freely, its energy goes through a continuous conversion between potential energy (PE) and kinetic energy (KE) as it moves back and forth. As the pendulum swings down from its highest point, potential energy is converted into kinetic energy, causing the pendulum to gain speed. At the lowest point of its swing, all potential energy is converted into kinetic energy, resulting in the highest speed. As the pendulum swings back up, the kinetic energy gradually decreases, and its potential energy increases as it rises. At the highest point again, all kinetic energy is converted back into potential energy, and the pendulum momentarily stops before swinging back down. This energy conversion between potential and kinetic energy continues back and forth as long as the pendulum swings freely. It's important to note that the total energy of the system (the pendulum) remains constant throughout the motion, but the distribution between potential and kinetic energy changes.