bob

rightwards, leftwards, tilting, swing, backwards, seesaw, vogue, angular velocity, laissez faire, fulcrum, toward, weather vane, lever, overbalance, towards, goalposts, revolving door, precipice, bending, bipolarity, skew, favor, permissiveness, parabola, equilibrium, shift, polarity, irrationalism, balance, realists, banister, inertia, frontwards, centralization, watchword, roller coaster, saner, direction, boomerang, bolshevism, cantilever, apotheosis, gravitation, warp, foucault pendulum, buggy whip, reverse, trend, lurch, dawning, divining rod, apogee, pinball, absolutism, extremes, rollercoaster, kurtosis, ascendancy, oscillation, tightrope, tipping, weathercock, chandelier, dialectic, obliquity, tuning fork, tide, downwards, momentum, corollary, ascendant, optimists, telos, whirligig, keels, downswing, perfectibility, monism, vortex, flagellum, sway, uncoiling, dualist, carousel, genie, heliocentric, subjectivism, canting, inexorability, halcyon, brownian, herd instinct, gradualism, psephology, sine curve, epicyclic, paradigm, railing, cradle, asymmetry, wind vane, clocks, pendulums, magnet, engine, gyroscope, machine, reel, crank, frame, slide, common, dynamo, hammer, mixer, propeller, turntable, conveyor, etc., flywheel, keystone, lathe, fro, pendular, overhand, ballistic, centrifugal, decoupled, modulation, percussive, pong, semistructured, synchronous, abductive, anddown, arm, backhanded, balancing, ball

compound pendulum, metronome, physical pendulum, simple pendulum

ballistic pendulum, clock pendulum, compound pendulum, foucault, foucault pendulum, grandfather clock, jean bernard leon foucault, longcase clock, metronome, pendulum clock, pendulum watch, physical pendulum, simple pendulum

apparatus, setup