Sophia Learning
Sophia: Simple Machines: Lesson 1
This lesson will introduce the six types of simple machines and show how machines can increase efficiency by reducing work input needed. It is 1 of 2 in the series titled "Simple Machines."
Curated OER
Integrated Publishing/block & Tackle (Or Pulley)
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.
Curated OER
Integrated Publishing/block & Tackle (Or Pulley)
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.
Curated OER
Integrated Publishing/block & Tackle (Or Pulley)
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.