, what happens to the cantilever? Will the conductors of the gauge nearest to the rod get longer or shorter as it is pushed against the spring return?...

if you push gently on the operating rod, what happens to the cantilever?Will the conductors of the gauge nearest to the rod get longer or shorter as it is pushed against the spring return?What happens to the proportion of the conductor of the gauge?How will this change the resistance of the conductor?thanks!