Question

Write any two ways to reduce friction.

Answer 1

Answer:

Friction can be reduced by:-

1) Make the surfaces little more smoother

2) Make the object more streamlined

3) Reduce the Normal force acting between the surfaces in contact. ...

4) Reduce the contact between the surfaces, so that less number of bonds will be formed

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Answer 2

WAYS TO REDUCE FRICTION:

• Use of Lubricants: Lubricants are oily products which reduce the friction. The lubricants fill up the cracks and undulations and reduce the wear & tear between the surfaces.

• Use of ball bearings : Many moving parts use rolling balls with the principle : STATIC FRICTION IS GREATER THAN ROLLING FRICTION.

• Making the surfaces smooth: This is done by polishing the surfaces in contact. This reduces friction and also the wear & tear.

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