Question

4. What are the various types of friction ? Explain​

Answer 1

Types Of Friction

Following are the friction types which depend on the types of motion:

1. Static Friction
2. Sliding Friction
3. Rolling Friction
4. Fluid Friction

1. Static Friction

Static friction is defined as the frictional force that acts between the surfaces when they are at rest with respect to each other.

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2. Sliding Friction

The magnitude of the static force is equal in the opposite direction when a small amount of force is applied. When the force increases, at some point maximum static friction is reached.

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3. Rolling Friction.

Rolling friction is defined as the force which resists the motion of a ball or wheel and is the weakest types of friction.

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4. Fluid Friction

Fluid friction is defined as the friction that exists between the layers of the fluid when they are moving relative to each other.

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