tru oer faek?

anyone?

faek

>>9118432
elaborate

>>9118468
the only force applied to the ruler is applied on the right of it's center of rotation so it doesn't matter where the hammer is

yup

center of mass of system is over the table

>>9118404
the sum of the moments about the point at the end of the ruler is equal to zero and the normal force times the static friction coefficient times the surface area of the ruler in contact with the table is greater than or equal to any lateral forces on the system.

its literally magic

>>9119159
The center of mass of the ruler is not over the table.

>>9120873
>The center of mass of the ruler is not over the table.
It's under the table.
You might as well ask why does a coat hanger work.

File: all-for-the-boys-toothpick-balance-4[1].jpg (129KB, 1400x933px) Image search: [Google]

129KB, 1400x933px

It's real, you can do it yourself

If you don't have a ruler, a rubber band, and a hammer in your house for some reason, you can do something similar with two forks (or a fork and a spoon) and a toothpick/match/paperclip/whatever

the trick is that the center of balance for the entire object is what matters, as long as they're firmly attacked to each other

>>9120888
For the lazy shits like me: https://www.youtube.com/watch?v=czsoNaf4MeY

>>9121010
>>9121010
The real conundrum here is why didn't the match continue to burn?