Question

Write down the methods of reducing friction and explain.
please answer properly....fast​

Answer 1

Answer:

* What is friction?

Friction is defined as the resistance experienced by the surface or by an object when it is moved over the other.

*Methods to reduce friction

Following are the different methods that are used for reducing the friction:

For objects that move in fluids such as boats, planes, cars, etc, the shape of their body is streamlined in order to reduce the friction between the body of the objects as the fluid.

By polishing the surface, as polishing makes the surface smooth and friction can be reduced.

Using lubricants such as oil or grease can reduce the friction between the surfaces.

When objects are rolled over the surface, the friction between the rolled object and surface can be reduced by using ball bearings.

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Answer 2

Required Answer:

Friction can be reduced by the following ways:

1. By polishing:

We can reduce friction by polishing rough surface which smoothens it.

2. By lubrication:

By lubricating the surface with grease, oil or graphite we can reduce friction between the two surface.

3. By using rolling friction:

We can reduce friction because it is easier to roll an object than to slide it.

4. By streamling the object:

We can reduce friction by streamling the object because they are rounded and narrow at back.