Give the name of material which reduces the force of friction.
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3
Answer:
ball bearings , polishing, reduce the force of friction
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Explanation:
When friction is undesirable we have to reduce the friction. Friction can be minimized by using lubricants like oil and grease and by using ball bearing between machine parts. A substance that is introduced between two surfaces in contact, to reduce friction, is called a lubricant.
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