As a Result of Friction Between Internal Parts of an Isolated

question 20

Multiple Choice

As a result of friction between internal parts of an isolated system

• A) the total mechanical energy of the system increases.
• B) the total mechanical energy of the system decreases.
• C) the total mechanical energy of the system remains the same.
• D) the potential energy of the system increases but the kinetic energy remains the same.
• E) the kinetic energy of the system increases but the potential energy of the system remains the same.

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