Schematic diagram of the force comparison in the watt balance experiment.
Schematic diagram of the two static equilibriums: (a) with the mass on the pan and (b) without the mass on the pan.
Schematic diagram of ideal cramped flexure strip for the central pivot of the beam. is the radius of curvature of the flexure strip deformed by a torque when under a load .
Schematic diagram of the flexure-strip force balance.
Schematic diagram of all the rotation axes of a balance prototype (pivots of the beam and gimbals of the pan and coil suspensions).
Example of tilting of a two-section suspension due to an eccentric load with gimbals having nonzero stiffnesses and .
Plot of the surface presenting the angle with respect to the length of the first section and the relative length for , , and .
Schematic diagram of the beam with two articulated suspension (the main rotation axes are represented).
Schematic diagram of a model of the two-section suspension similar to a double pendulum.
Example of graphical representation of the variation of angles (a) and (b) with the initial conditions , , , and .
Main characteristics of the future French watt balance.
Free oscillation frequencies about the main rotation axes of the balance depending on the initial conditions and suspended mass values for fixed dimensional configuration.
Mechanical characteristics of the force balance.
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