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H u m a n S t r u c t u r e s S e t
12
012-13878A
Human Arm Model: Force Vector Diagram
The Human Structures Set allows students to build a realistic arm model and directly measure the forces exerted.
The diagram shows the forces acting on the lower arm.
Suggestions
Vary the length and angle of the upper and lower arm, as well as the point of attachment of the cord connected to the Load
Cell.
W
W
a
This Load Cell
represents the
biceps muscle
These cords
allow the
angle of the
upper arm to
change.