Question

Give examples to show that friction is both a friend and a foe.?????

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Answer 1

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friction as a friend:

• It helps us to walk  
• It helps us to hold things.  
• Stop a moving object.

fiction as a foe:

• Opposes motion.  
• Friction produces a lot of heat, resulting in the wastage of energy.  
• Wear & tear machinery parts.

Answer 2

Answer:

Examples to show that friction is a friend and a foe: Friction is friend: (i) Friction allows us to grip and catch different objects. (ii) It helps us to walk comfortably on the surface. ... Friction is foe: (i) Friction causes wear and tear in objects. (ii) It causes damage to the parts of machines.

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