00:01
So we have a c -saw right here that is perfectly balanced as all things should be.
00:05
And we have a couple of pk weights that are xks away.
00:10
So we could have p1 over here, p2 here, p3 here, and p4 there.
00:17
And if we just kept on going to a pm or so, that's where the x's go out to.
00:25
Xs start at 1, 2, dot, dot, dot, and go out to pm.
00:31
Or just m.
00:32
We could expect that all these weights, they're going to average out to be right here in the middle so that it balances out.
00:43
And we just asked to, as a hint, to balance the total torque acting on the seesaw must be zero.
00:50
So just as in, i don't know, not thermodynamics, but just in physics, we want the forces to be equal, just the counterclockwise equal clockwise motion.
01:05
That kind of thing...