NTA-NET (UGC-NET) Physical Education (47) Kinesiology and Bio-Mechanics-Friction Study Material (Page 1 of 1)

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Friction: Types of Friction, Coefficient of Friction, Friction Examples in Daily Life

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Friction

  • It can be defined as the force between two surfaces that are sliding or trying to slide across each other.
  • It always works in the direction opposite to the direction in which the object is moving or trying to move.
  • Whenever we try to push anything say a wooden box along the floor, friction makes this difficult.
  • Friction resists the relative motion of solid surfaces, fluid layers and materials elements sliding against each other.
  • Unlike gravity or electromagnetism friction is not a fundamental force.
  • Dry friction can be defined as the force that opposes the relative lateral motion of two surfaces in contact.

Scientific Beliefs

  • As per the scientist՚s friction is the result …

… (612 more words, 48 figures) …

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