Block and Tackle
Mechanical advantage = 5to support 2kg, only need 400g
Spanish Burton Pulley System
Mechanical advantage = 8to support 4kg need only 500g
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Block and Tackle Mechanical advantage = 5to support 2kg, only need 400g |
Spanish Burton Pulley System Mechanical advantage = 8to support 4kg need only 500g |
Use a meter stick to measure distance moved, and show that Work In 
Work Out
