write and explain 3 disadvantages of friction
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Three disadvantages of friction are : Friction produces heat which damages the moving parts of a machine. Friction produces wear and tear on the contacting surfaces. This reduces the life of machine parts, tyres and shoe soles.
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Three disadvantages of friction are : Friction produces heat which damages the moving parts of a machine. Friction produces wear and tear on the contacting surfaces. This reduces the life of machine parts, tyres and shoe soles.
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