Physics - Equilibrium


What are the two conditions for equilibrium?


  1. Net force is zero
  2. Net moment is zero

What is the name for two forces in an arrangement like the following?


PHOTO

Is the following a couple PHOTO?


Yes.

Is the following an equilibrium PHOTO?


No.

Describe the motion as a result of PHOTO?


The object will spin with increasing angular velocity.

When do couples produce a turning effect?


When there is a perpindicular distance between them.




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