Physics, 03.12.2019 18:31 cjjudecjude5675
A60-kg woman stands on the very end of a uniform board, which is supported one-quarter of the way from one end and is balanced. what is the mass of the board?
a. 60 kg
b. 30 kg
c. 20 kg
d. 15 kg
e. 120 kg
Answers: 1
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A60-kg woman stands on the very end of a uniform board, which is supported one-quarter of the way fr...
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