fulcrum

Here's the heap of stone he used as a fulcrum for his lever.

Archimedes said he could lift the world with a lever if he had a fulcrum.

Put a spool over the nail which was your fulcrum in the first two experiments.

I discovered that my soul had been using it daily as a kind of fulcrum for all things.

He had got a “fulcrum for his lever,” and he was not slow in using it.

This pad acted as a fulcrum on which the arm rested as a lever.

But a balloon is the sport of a single power; it has no fulcrum.

Perhaps he built a monstrous lever and contrived the moon to be his fulcrum.

That human individuality may be maintained, man is uplifted only over the fulcrum of his own will.

Once allow them to get a fulcrum and they would move the world.