Medieval Machine Mayhem!
Activity 2: Experiments to Improve Machines
Activity 2: Experiments
to Improve Machines
Provide students with other simple machines (e.g., levers, pulleys, and inclined planes) and
materials to experiment with
, in addition to the machines built in the previous activity.
Option 1 (Guided)
Have stations for each concept where students
will execute the experiment
Examples of experiments:
of the machine changes
, what happens to the
(e.g., change where the fulcrum is on a lever)?
How does one calculate/compare
of the machine (e.g., changing the force
or the distance on a lever
; work = force x distance)?
one calculate and improve
of the machine (e.g., changing the location of the
fulcrum to increase the output
; MA = Load/effort)?
What other variables can be changed (e.g.,
number of pulleys
, number of teeth on gears) that might affect input/output, work, and/or mechanical advantage?
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