All types of pulley mechanisms consist of some sort of flexible belt (chain, cable, rope, etc.) turning around the circumference of a wheel. |
When designing a pulley, I start with the running diameter which is the surface that the chain wraps around. The recommendation is 5x pitch of the chain, so if ... |
› In this activity we will learn what a pulley is and how they use mechanical advantage to lift heavy objects. › Use the Activity Plan below to build your own ... |
Pulleys are a simple and manoeuvrable way to move large objects. They are easy to transport to where they are needed and set up, but they do require somewhere ... |
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