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# What are 3 ways friction can be increased?

## What are 3 ways friction can be increased?

The three methods of increasing friction are: 1.) By applying more force to the object, 2.) By increasing the mass of the object that is causing friction, and 3.) By creating a rougher point of contact.

## How can we increase and decrease friction Class 8?

Methods of Increasing and Reducing Friction For example, treading of shoes and tires is done to increase friction. When friction is undesirable we have to reduce the friction. Friction can be minimized by using lubricants like oil and grease and by using ball bearing between machine parts.

How do friction decrease?

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.

### How is friction increased?

There are two methods of increasing friction: one is by making the surfaces rough and the other by increasing the mass of the object that is moving. For example, the tyres of vehicles have treads (these are the ‘designs’ that you can see on the tyre surface), which increase the friction between the tyre and the road.

### How does friction increase and decrease friction?

Methods to increase or reduce friction To reduce friction we can make the surfaces in contact smooth. Also adding a lubricant to two surfaces in contact reduces friction between them. Grease is added between the moving parts in machines, to reduce friction. Another method of reducing friction is by using bearings.

How can we increase friction and why do we need to increase friction explain with the help of a diagram?

Answer: By making the moving surfaces rough : Types of vehicles have designed with grooves on the surface to increase friction. A large friction provides a better grip to vehicles on the road and prevents them from skidding. So, Sand and gravels are spread on grounds to increase friction.

#### How can friction be reduced How can it be increased give examples?

when a ground or surface become slippery after rain or water splashing it is made rough by spreading sand to increase the friction. To decrease friction: (i) Friction between two surfaces can be decreased by using lubricants. (ii) Friction between two surfaces can be reduced by polishing them.