Recent content by xyz

My intuition tells that boat is harder to lean when boat is moving but there must be some force that act like righting moment.. Disbalnce in pressure distribution on bottom boat? (I think you can stand on edge on jet ski when planing at high speed and he will not capsize)

When boat is stay in place,put on one side 500kg,boat will lean 15 degrees... If now we go planing with this boat, will boat lean less then 15 degrees or equal? If less,what is force which reduce lean angle?

Thanks pixel! Now is clear to me...This is the key; The sum of the torques on any point is equal, only when the sum of the forces is zero

I know,there is reaction force on fulcrum which is equal to total weight (40kg).. But what does mean that we can choose any point for calculate moment?

Can someone explain, what means that we can choose any arbitrary point to calculate moment and result will always be identical? If I choose point 1 ...20kg x 1m = 20kg x 3m...seesaw right side will fall down If I choose point 2...20kg x 2m = 20kg x 2m...seesaw stay horizontal So this two...