Q.5 Explain with examples that is friction force your enemy or friend.
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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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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. (iii) It helps to minimize the speed or to stop the moving objects. ... Friction is foe: (i) Friction causes wear and tear in object
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