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How can frictional forces be reduced?

Answer 1

Elena Albarran

Please refer to the explanation:

Frictional forces can be reduced by the following methods: #rArr#By reducing the forces acting on the surface,

#rArr#By making the surface smoother,

#rArr#By making the body shape more streamlined,

#rArr#By the process of lubrication,

#rArr#By replacing the sliding element into rolling element.

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Answer 2

William Audy

Frictional forces can be reduced by using lubricants, employing smooth surfaces, and utilizing rolling instead of sliding motion.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.