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The pendulum bob is dropped from point A and swings to point C. The pendulum bob swings back and forth but eventually it stops. Why?
A) All the potential energy is converted to kinetic energy.
B) The external energy source is less than the friction force.
C) There cannot be continued motion without an external energy source.
D) All the kinetic energy is converted to potential energy or energy of position.

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Acidic182

Answer:(C) is your answer

Explanation: when you swing something back and forth it will eveuntally stopbecause it needs some type of external enegy source or basiclly a push.

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davidferryman12

Answer:

There cannot be continued motion without an external energy source

Explanation:

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