- #1

Rushers

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Have a look at this picture. It contains my problem.

I don't really know how to differentiate torques, momentums and forces.

I attempted to do as follows :

Get the moment of N ( N*e, with e being a unit vector pointing upwards)

Get the momentof F. (easy)

Get the moment of R . Here I don't understand if the R is related to the torque T or not so I don't know how to get it.

After getting all moments, I just apply the equilibrium principle.

Another problem I have is the forces. The object is in equilibirum but we have only one "real" force which acts upon the object which is gravity. Other forces are torques really.

So there must be a way of making "forces" out of torques or forces that tend to move the body around a pivot like F or N.

How would you do to solve this question?