How can damage to machines due to friction be avoided?
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friction produces heat, a lot of energy is wasted in the form of this heat energy. Hence, to minimise friction, we convert sliding friction to rolling friction by the use of ball bearings.
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Also, since friction produces heat, a lot of energy is wasted in the form of this heat energy. Hence, to minimise friction, we convert sliding friction to rolling friction by the use of ball bearings
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