2) Check all that apply. Give two examples of how the physicist in the previous question used simple machines.
He designed a lifting screw using the principle of the inclined plane.
He used a series of pulleys to move a ship onto the beach all by himself.
He used a series of pulleys to raise a Greek flag.
He designed a wedge with a new type of saw.
3) Select the best answer.
Galileo proved that all objects fall at the same