Question

methods of increasing and reducing friction​

Answer 1

Answer:

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

Explanation:

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Answer 2

Explanation:

the methods of increasing friction:

1) make the surface rough

2)increasing mass of object that is moving

3) increase the force between the surface and object

reducing friction:

1)using oil on surface

2)making surface smooth as possible

3) decreasing the mass of object

4)reduce contact between surfaces

5) reduce acting force between the surface and object

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