Simple Machines – Using Mechanical Advantage

$0.00

SKU: 0480-03 Category:

Description

Explains that levers, pulleys, wheels & axles, inclined planes, wedges and screws are all simple machines that give us extraordinary powers. They help us increase a force, change the directions of a force or increase speed. Our modern world depends on them.

Additional information

released

1979

Length

18

Level

4-9