state the law of conservation of energy. what is the energy change taking place when an arrow is sent from a bow?
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The law of conservation of energy states that energy can neither be created nor destroyed - only converted from one form of energy to another. This means that a system always has the same amount of energy, unless it's added from the outside. This is particularly confusing in the case of non-conservative forces, where energy is converted from mechanical energy into thermal energy, but the overall energy does remain the same. The only way to use energy is to transform energy from one form to another.
By virtue of the string of the bow being stretched, the amount of energy that it took to stretch the string is stored in the string as long as the force keeping it stretched is intact. When the force is released, the stored potential energy is converted to Kinetic Energy, which is the energy of motion. The motion of the string launches the arrow by virtue of being in contact with the arrow.
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Explanation:
law of conservation of energy is that mass can be neither created nor destroyed....
here potential energy is converted into kinetic energy as when an arrow is sent from bow.
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