efficiency Archive
The first quiz on that we published was on Mechanical Advantage and has had over 2,200 completions with an average result of 53.81%. If we assume that the people that have completed this quiz are a representative sample of
Pulley efficiency seems initially like a simple thing to measure, however it presents an excellent opportunity to consider various aspects of experiment design. Experiment design At face value it would seem that we could simply set up
Friction through Progress Capture Devices (PCDs). This image shows three different devices rigged and loaded as if positioned at the back of a hauling system. We can use the Capstan equation to predict the loss through each
