PASCO ME-6855 Tension Protractor - Manual (Page 13)

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T e n s i o n P r o t r a c t o r A d d i t i o n a l E x p e r i m e n t S u g g e s t i o n : H a n g i n g a L e v e l S i g n
11
Additional Experiment Suggestion:
Hanging a Level Sign
Using a set-up similar to that of Experiment 1, hang a rectangular sign board from two dif-
ferent-length strings. Attach the strings to the sign as shown. Adjust the positions of the
Tension Protractors to make the sign is level. Confirm that the two requirements for equi-
librium are satisfied. Predict what would happen if the two unequal length strings were
attached to the upper corners of the sign.
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Author: Ann Hanks