Question

define force of friction.list the factors affecting the force of friction . explain with example​

Answer 1

Answer:

Friction is the force that resists motion when the surface of one object comes in contact with the surface of another.

Factors Affecting the Force of Fiction: * Surface on which the object is moved or the nature of the surface. i.e., rough surface, smooth surface, liquids etc. * The weight of the object or the amount of force on the surface by the object.

Step-by-step explanation:

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Answer 2

Answer:

The external force that opposes relative motion between 2 surfaces in contact is contact is called force of friction.

1. The friction is dependent upon the nature of the surface in contact. If the surface is rough the friction generated for the opposing motion of the object is greater as compared to the smoother surface.
2. The shape and design of the object determine the surface area in contact with the surface on which it is moving. For example- if the shape of the body is streamlined so while traveling in water or air it will experience a lesser frictional force opposing its motion than any other shape.