Mechanical Advantages: Counting Tensions and Estimating System Efficiency Part 1
17:05
Mechanical Advantages: Counting Tensions & Estimating System Efficiency Part 2
20:19
This is how simple pulley systems work - Rope Access Rigging
13:00
How to transition from a raise to lower rope system
3:56
Tech Tip: Easy conversion of a 3:1 to a 5:1 MA system
11:55
Simple machines: Pulleys
16:31
Porque Snatch Blocks são INCRÍVEIS (Como Polias Funcionam) - Smarter Every Day 228
12:44
Mechanical Advantage is a Myth
15:53