How speedy a row of dominoes topples relies upon on friction
How speedy a row of dominoes topples relies upon on friction
By Emily Conover
It may also look like a laugh and video games, however knowledge how dominoes topple isn’t child’s play.
“It’s a hassle this is so natural; everyone performs with dominoes,” says David Cantor, a researcher at Poly method Montreal with a history in civil engineering. So Cantor got down to create laptop simulations of a row of dominoes collapsing in a sequence response.
Domino video games are extra a laugh with a buddy — and so is studies at the square blocks. Cantor teamed up with a friend, physicist Wojtek of the Institute of Fundamental Technological Research of the Polish Academy of Sciences in Warsaw.
How speedy a row of dominoes topples relies upon on frictio
It can also additionally look like a laugh and video games, however information how dominoes topple isn’t child’s play.
“It’s a hassle this is so natural; every person performs with dominoes,” says David Cantor, a researcher at Poly method Montreal with a history in civil engineering. So Cantor got down to create laptop simulations of a row of dominoes collapsing in a sequence response.
Domino video games are greater a laugh with a buddy — and so is studies on the square blocks. Cantor teamed up with a friend, physicist Wojtek of the Institute of Fundamental Technological Research of the Polish Academy of Sciences in Warsaw.
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Friction is critical for determining the velocity at which the disintegrate cascades thru a row of dominoes, the pair document withinside the June Physical Review Applied. That consists of each the friction among colliding dominoes, and among the dominoes and the floor they take a seat down on.
The laptop simulations found out the situations wanted for a rapid fall apart. Toppling cascaded fastest for intently spaced dominoes that had little friction among them and that stood on a high-friction floor (SN: 8/1/19).
Less friction among dominoes — as happens for tiles with extra slippery surfaces — method much less power is lost. And extra friction among the dominoes and the floor they stand on, which includes tough felt, way that the tiles don’t slide too some distance backward as they fall. Such backsliding might in any other case sluggish the cascade.
In a few simulations, the chain response stopped short. For instance, dominoes spaced some distance aside on a slippery floor backslid a lot they prevented hitting every other.
Based at the simulations, the 2 domino dynamos got here up with an equation that predicts the velocity of fall apart and confirmed that the predictions matched outcomes of preceding experiments. Turns out, there’s severe technology at the back of the pleasant spectacle.
Questions or feedback in this article? E-mail us at By Emily Conover
14 HOURS AGO
It may also look like a laugh and video games, however information how dominoes topple isn’t child’s play.
“It’s a hassle this is so natural; everyone performs with dominoes,” says David Cantor, a researcher at Polytechnique Montreal with a history in civil engineering. So Cantor got down to create laptop simulations of a row of dominoes collapsing in a sequence response.
Domino video games are greater a laugh with a buddy — and so is studies at the square blocks. Cantor teamed up with a friend, physicist Kajetan Wojtacki of the Institute of Fundamental Technological Research of the Polish Academy of Sciences in Warsaw.
Friction is critical for determining the velocity at which the fall apart cascades thru a row of dominoes, the pair record withinside the June Physical Review Applied. That consists of each the friction among colliding dominoes, and among the dominoes and the floor they take a seat down on.
The laptop simulations found out the situations wanted for a rapid fall apart. Toppling cascaded fastest for intently spaced dominoes that had little friction among them and that stood on a high-friction floor (SN: 8/1/19).
Less friction among dominoes — as takes place for tiles with greater slippery surfaces — method much less strength is lost. And extra friction among the dominoes and the floor they stand on, which includes tough felt, way that the tiles don’t slide too some distance backward as they fall. Such backsliding might in any other case sluggish the cascade.
In a few simulations, the chain response stopped short. For instance, dominoes spaced some distance aside on a slippery floor backslid a lot they prevented hitting every other.
Based at the simulations, the 2 domino dynamos got here up with an equation that predicts the velocity of fall apart and confirmed that the predictions matched effects of preceding experiments. Turns out, there’s severe technology at the back of the gratifying spectacle.
Questions or feedback in this article? E-mail us at feedback@scie
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