Why friction decreases the efficiency of machines
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Friction reduces efficiency because when two surfaces slide past each other, friction resists their motion, and in real machines, some input work is always used to overcome friction. Explanation: ... Decreasing the friction, by lubrication, you will decrease the losses and increase efficiency.
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Friction reduces efficiency because when two surfaces slide past each other, friction resists their motion, and in real machines, some input work is always used to overcome friction. They introduce losses and decrease efficiency. ... The friction generates heat, which is an energy that should be converted in movement.
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