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The examples from Ordinate 2D, and scenes, parts, materials and scripts made by its users. All free: open one in the studio with one click.
From Ordinate 2D ✓
Script
How fast do dominoes fall? A sweep of the spacing
Six rows of dominoes with different spacings fall at once: the speed of the falling front against d/h, and the fastest spacing.
Script
Moment of inertia from rolling times
A disc, a thick ring, a thin hoop and a sliding block race down equal slopes; k = g sin θ t²/2L − 1 gives each one's I/mr².
Script
The best kick with air drag (a golden-section search)
A football kicked at 25 m/s in air: the script searches for the angle of the longest kick, which is not 45°.
Script
Measure g with pendulums (a least-squares fit)
Six pendulums from 0.25 to 2 m are timed; a straight-line fit of T² against L gives g = 4π²/slope.
Script
Resonance curve of a driven oscillator
Step the driving frequency up and measure the amplitude: the resonance curve against theory.
Script
Pendulum period against amplitude
Release a pendulum from 5° to 150°: the period against 2π√(L/g) and the exact value.
Script
Measure friction by tilting
Tilt a platform slowly: the block slips when tan θ = μ.
Script
One ball falling on every world
The same 10 m drop on the Moon, Mars, Earth, Jupiter and the Sun, timed against t = √(2h/g).
From the community
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