What effect is produced by elevating the centre of gravity?
The higher the centre of gravity in any body is raised above the earth, the greater is its tendency to fall.
Why is a load of hay more easily overturned than a load of iron, when upon the same wagon?
Because the centre of gravity in the load of hay is much higher than it is in the load of iron.
Why do passengers on top of a stage cause it to overturn more easily?
Because their weight on the top raises the centre of gravity in the stage, and it is more readily overturned.
Why is a person more likely to fall when standing up than when sitting down?
Because the centre of gravity is higher in a person when standing than when sitting.
Why is a boy more likely to fall when raised on stilts?
Because the centre of gravity in the boy is farther from the earth when he is raised on stilts.