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Which of the following are the advantages of friction in engineering mechanics?
31. Which of the following are the advantages of friction in engineering mechanics?
- It allows for smooth motion without resistance
- It increases the efficiency of machines
- It reduces wear and tear on moving parts
- It decreases the force required to move objects
Answer
The correct answer is: C) It reduces wear and tear on moving parts
Explanation
Friction reduces wear and tear on moving parts by providing a gripping force that keeps slippage or sliding.