oh, yacko. how come it topples? because the center of gravity is over here and underneath is nothing. there is no place of support. let's look at that. here's my l-shaped piece of wood. center of gravity is right here. that means all mother earth pulls down like this. just as if all the weight were concentrated there. but look, there's no support position down here. the last point of support is the corner. and you know what it does? it rotates around that corner. it's just as if i had a little fulcrum here. you people know what a fulcrum is? like in a see-saw, it's the part about which rotation occurs. usually a triangular shape in diagrams. the fulcrum. it's just as if there's a fulcrum there. and it rotates around that fulcrum. and when it does that, it gives rise to a twisting force. it twists. we don't say twisting force. we have another name for twisting force. ends with--starts with t, rhymes with dork. what is it? torque. torque. definition. torque equals-- definition time, gang. torque equals force times dis