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Which outcome occurs in a heat engine when overcoming static friction?

A)Increased irreversibility within the cycle
B)Reduced entropy during compression
C)Improved thermodynamic efficiency overall
D)Isothermal expansion due to lubrication

💡 Explanation

Increased irreversibility within the cycle surfaces occurs because static friction dissipates useful energy into heat through friction converts energy motion; this is an irreversible process. Therefore, the system's entropy increases, rather than decreasing or improving efficiency due to lost work overcoming friction.

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