Why Snatch Blocks are AWESOME (How Pulleys Work) - Smarter Every Day 228 SmarterEveryDay 16:31 4 years ago 16 341 472 Далее Скачать
What is a Pulley? - Simple Machines | Science for Kids | Educational Videos by Mocomi MocomiKids 1:34 12 years ago 1 676 781 Далее Скачать
Beating Britain’s strongest man with pulleys | Operation Awesome | BBC Teach BBC Teach 5:51 8 years ago 18 273 Далее Скачать
Mechanical Engineering: Particle Equilibrium (11 of 19) Why are Pulleys a Mechanical Advantage? Michel van Biezen 5:52 9 years ago 2 222 407 Далее Скачать
Single and compound pulleys review - lifting our principal // Homemade Science with Bruce Yeany Homemade Science with Bruce Yeany 6:13 9 years ago 614 048 Далее Скачать
All About Pulleys - More Grades 3-5 science videos on the Learning Videos Channel Harmony Square - Educational Videos & Activities 2:54 4 years ago 76 951 Далее Скачать
The Double Pulley : Mechanical Principals 6 CardClad Industries 0:36 1 year ago 130 662 Далее Скачать
Simple DIY Hoist Ladder Lift with 3 Pulleys for Heavy Cardboard Boxes. Owl Pest Control Ltd. 0:29 2 years ago 260 283 Далее Скачать
Pulley Systems Rules Knots & Pulleys in Rope Rigging Systems Vol 1 Segment 6 Rigging Lab YouTu Mike Maggard 5:31 10 years ago 282 237 Далее Скачать