image of steam engine simple machine

image of Steam Engine Simple Machine

image of Steam Engine Simple Machine

Very substantial four-page article on how the block & tackle works. (It's a simple machine -- a pulley.) Lots of illustration. Mechanical advantage, formulae, solved problems, all here. Good source for info.

Very substantial four-page article on how the block & tackle works. (It's a simple machine -- a pulley.) Lots of illustration. Mechanical advantage, formulae, solved problems, all here. Good source for info.

Very substantial four-page article on how the block & tackle works. (It's a simple machine -- a pulley.) Lots of illustration. Mechanical advantage, formulae, solved problems, all here. Good source for info.

A full and complete discussion of the simple machine called the screw, a modified inclined plane. Many examples and drawings and applications.

A full and complete discussion of the simple machine called the screw, a modified inclined plane. Many examples and drawings and applications.

Scholastic provides an in-depth description here of a simple machine called The Screw. Also provides a picture and several examples for understanding.

This image shows a large gear and a small gear from two different angles. Understanding how gears work is important when learning about mechanical advantage and simple machines.