SciShow Kids
Need a Lift Try a Pulley!
Jessi and Squeaks just got a new telescope, and they can't wait to check out the night sky! But there's just one problem: it's too heavy to bring up the stairs into the observatory! Join them as they learn about a simple machine that can...
Curated Video
Levers, Wheels, Pulleys
There are only six basic types of machine. Discover more about levers, wheels and pulleys: what are they and why are they useful? Physics - Forces - Learning Points. Archimedes designed simple machines to move and lift objects. The...
Curated Video
Machines: Building the Pyramids
It was thought the Egyptians used only manual labour to build some of the Wonders of the World. Now it is though they could have used simple machines. Physics - Forces - Learning Points. It is believed that the Egyptians constructed the...
Curated Video
Gears and pulleys – True or false
True or false ... Gears give a mechanical advantage? Physical processes -Force and motion - Gears and pulleys Learning Points Gears can be used to gain mechanical advantage. A Twig Tidbit Film - True or False? The children have to...
Curated Video
Gears and pulleys – Did you know?
Did you know that a seesaw, a wheelbarrow and a fishing rod are all types of lever? Physical processes - Force and motion - Gears and pulleys Learning Points A lever is a stiff bar that pivots on a fixed point. A Twig Tidbit Film - Did...
Curated Video
Gears and pulleys – Spot the...
Six different clips are shown, five showing examples of the use of pulleys ... can you spot them? Physical processes - Force and motion - Gears and pulleys A Twig Tidbit Film - Spot the Difference. The children have to identify which...
Great Big Story
This Man Escaped the Iron Curtain by Zip Line
Join Daniel Paul on an extraordinary journey from the oppressive grip of Czechoslovakia's Communist regime to the dazzling lights of Las Vegas. In this captivating narrative, Daniel recounts his daring escape alongside physicist Robert...
Great Big Story
This Man Escaped the Iron Curtain by Zip Line
Join Daniel Paul on an extraordinary journey from the oppressive grip of Czechoslovakia's Communist regime to the dazzling lights of Las Vegas. In this captivating narrative, Daniel recounts his daring escape alongside physicist Robert...
Curated Video
I WONDER - How Does A Pulley Work?
This video is answering the question of how does a pulley work.
Flipping Physics
2015 #1 Free Response Question - AP Physics 1 - Exam Solution
This Short Answer question also works as a part of the AP Physics C: Mechanics curriculum.
Visual Learning Systems
Simple Machines: Pulleys
A day does not go by without using simple machines. This program explores the six major types of simple machines with practical, colorful examples of each. Vivid video footage illustrates how each of the following simple machines works...
Virtually Passed
Tension and Pulleys example 2
To solve problems like these, make isolated cut selection to find each of the variables one at a time. Then use that fact that under reasonable assumptions (massless rope and frictionless pulleys) then the tension in the cable must be...
Curated Video
Induction Motor Basics
In this video, we'll explore the basics of induction motors. We'll cover topics like the theory behind induction motors, the different types of induction motors, and how induction motors work.
Virtually Passed
Pulleys and Tension in static equilibrium Summary
If a pulley is in static equilibrium and the following is true: 1) Rope is massless 2) Pin is frictionless Then the tension in the cable will be constant everywhere along the cable. There is only 1 force (tension) that is internal in the...
Mazz Media
Pulley
This live-action video program is about the word pulley. The program is designed to reinforce and support a student's comprehension and retention of the word pulley through use of video footage, photographs, diagrams and colorful,...
ATHS Engineering
Mechanisms: Levers, Axles, and Pulleys
In this video, we learn about three types of simple machines: levers, wheel and axle systems, and pulleys. The different types of levers are explained, as well as the mechanical advantages of each. We also learn about the different types...
Virtually Passed
Pulley Summary
If a pulley system is accelerating, then the tension in the cable is constant IF 1) Pulley is massless 2) Pin is fricitonless 3) Rope is massless To find the acceleration of the masses and the tension in the cable I recommend the...
Curated Video
The Invention and Evolution of Elevators
Elevators have existed for hundreds of years, but the fast elevators found in skyscrapers and tall buildings today look a lot different - and are a lot safer - than the elevators of centuries past. Learn how elevators work and how their...
60 Second Histories
Building an Egyptian pyramid - part 2
A pyramid worker explains how the Egyptians moved the immense stone blocks.
Visual Learning Systems
Pulleys: Exploring Their Functions and Types
This video provides an introduction to pulleys as simple machines. The video describes the basic components of a pulley and distinguishes between two main types of pulleys: fixed pulleys and movable pulleys. This video is part of the...
Bridgeman Arts
Sahara, Algeria, 1954 - Sports and leisure in Colom Bechar, academic research, construction, medicine, and education
Clip 5 from the 1954 film 'Les Deux Visages Du Sahara', a short propaganda film exploring the French government's contribution to Algeria during colonization. In this clip, sports and leisure in Colom Bechar, academic research,...
Bridgeman Arts
Mining factory and machinery. France, 1952
Clip 8 from the 1952 short film 'Les hommes de la nuit', about the work of miners in coal mines in Lorraine, France. Scenes from a mining factory. A worker operates the extraction machinery. Railways transport coal.
Bridgeman Arts
Miners at work and outside the mine. France, 1952
Clip 9 from the 1952 short film 'Les hommes de la nuit', about the work of miners in coal mines in Lorraine, France. Miners work inside the underground mine, drill the walls, and get lifted up by the pulley system. Workers stand outside...
Bridgeman Arts
Miners drilling and handling coal in the mine. France, 1952
Clip 5 from the 1952 short film 'Les hommes de la nuit', about the work of miners in coal mines in Lorraine, France. Miners and young boys working in the underground mine drilling and digging into coal reserves.