KINETIC / 01 · MOMENTS & EQUILIBRIUM

Balance bench.

A small mass, placed farther away, can balance a larger one. Find the distance that makes it work.

FREE PLAY / NO WRONG ANSWERS

Room to experiment

MOVES00
MOMENT · kg·m0
DISTANCE / m 1 division = 1 m
Waiting for your first move
COUNTERCLOCKWISE
CLOCKWISE
01 — CHOOSE A WEIGHT
02 — PLACE IT ON THE BEAM

The graphite weights are fixed. The red ones are yours.

THE PRINCIPLE Signed moment = Σ(m × r), in kg·m.
At balance, left and right moments match.

YOUR CONTROLS Tap a weight, then a beam position.
Or drag a red weight directly onto the beam.

τ = g Σ(mr) cos θ
Uniform gravity · ideal pivot