Question

What is the relationship among
a) Magnitude of friction and the weight of the object.
b) Friction and the nature of surfaces in contact with each other.
c) Friction and the area of the surfaces in contact with each other.

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Answer 1

Answer:

i) Normal reaction (N) is directly proportional to weight of the body and it also depend on the inclination of the plane with horizontal.so friction force is also directly proportional to weight of the body.

ii) The force of friction is independent of the area of surfaces in contact and is directly proportional to the applied load.

iii) Friction is defined as the resistance to relative motion between two bodies of contact. The force of friction is independent of the area of surfaces in contact and is directly proportional to the applied load.

Explanation:

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