Question

Use the image of a person lifting a boulder with a lever to answer the question.

An illustration shows a man using a stick and a small rock as a lever to lift a large rock.

Where is the fulcrum in this situation?

(1 point)
Responses

It is the point where the bar touches the smaller rock.
It is the point where the bar touches the smaller rock.

It is the point where the boulder touches the ground.
It is the point where the boulder touches the ground.

It is the point where the person’s hands push down on the bar.
It is the point where the person’s hands push down on the bar.

It is the point where the bar touches the boulder.

Answer 1

It is the point where the bar touches the smaller rock.

Explanation: the fulcrum is the pivot point about which the lever rotates — here the small rock supports the bar and lets the person lift the boulder.