Moment — Moment of a force

Note
Moment of a force

Definition : Moment is force x perpendicular distance to the pivot

its a vector quantity because it has clockwise or anticlockwise moment

SI unit : Nm

Explanation : Moment of a force about a point will cause an object to turn. so we say moment cause turning effect.

Choose d1 because d1 is perpendicular to the force

Choose d2 because d2 is perpendicular to the force

Factors that affects moment 

  • force
  • distance

if you want the force to be lower, we increase its distance to the pivot and vice versa. 

We can apply this in the example below :-

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