Mechanical Comprehension Flash Card Set 204207

Card 7 of 10
Block and Tackle

Two or more pulleys used together constitute a block and tackle which, unlike a fixed pulley, does impart mechanical advantage as a function of the number of pulleys that make up the arrangement. So, for example, a block and tackle with three pulleys would have a mechanical advantage of three.

block and tackle

The mechanical advantage of a __________ equals the number of pulleys that make up the arrangement.