Question

WHAT IS FRICTIONAL FORCE?

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Answer 1

Answer:

• Frictional Force refers to the force generated by two surfaces that contacts and slide against each other.
• These forces are mainly affected by the surface t and quantity of force requiring
• These forces are mainly affected by the surface t and quantity of force requiring The angle and position of the object affect the volume.
• The component of Reaction(R) parallel to the plane of contact is called frictional force(f).
• Hence the resultant of frictional force (f) and normal reaction (N) is equal to the reaction force(R).

Additional Information:

• Friction always opposes the relative motion of one surface over the other surface.
• Friction may oppose or support the motion of body

Examples:

• A person is able to walk on hecause of friction.If there is no friction his foot slides back and cannot change his position.
• When a ball is rolling on a rough surface it stops after sometime because friction opposes motion

~By A.Charan Harshith C5 SRI CHAITANYA SCHOOL Pendurthi

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Answer 2

Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other. There are several types of friction: Dry friction is a force that opposes the relative lateral motion of two solid surfaces in contact.