ROLE OF FRICTION IN STATIC EQUILIBRIUM

Description

A ladder is placed inclined to a wall. How far a person can climb without falling. A weight of 60 pounds is hanging by a rope tied on an axle. Is the weight of the rope enough to balance the weight? What precaution should a rope walker take so that he never falls down ----these are the examples of stable equilibrium which has been dealt with. Numerical calculations, demonstrations make this presentation extremely lively

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Kajal Sengupta
Physics teacher of 9th to 12 th grade
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