Rotation

Bob Moore writes:

Except in an airplane where the trim system moves the horizontal
stabilizer instead of a trim tab. In that case, there is no feel
feedback to the yoke. One must release the pressure and see if the
airplane attitude remains where desired.

Is that common?

I note that there are slots in front of the stabilizers on a 737,
implying that they pivot (for trim?). Is that in fact what they are
doing? It's hard to see on the sim.

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