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As Professor Denker says, it is a matter of taste.
I like
this progression since it starts with easy equipment before
it gets to the black box stuff.
I start with a series of pulley activities, starting with a....
simple pulley and advancing to compound ones.
1. How much force does it take to lift Block A (and
pulley), if lifted slowly a distance of 10 cm?
Students measure this force with a spring scale.