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3. How long have inclined plane been around?
A. Since 2000
В. Since 1900
C. Hundreds of years
D. Thousands of years
3. How long have inclined plane been around?
A. Since 2000
В. Since 1900
C. Hundreds of years
D. Thousands of years
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Answer:
C. Hundreds of years
I guess
Explanation:
The first elementary rules of sliding friction on an inclined plane were discovered by Leonardo da Vinci (1452-1519), but remained unpublished in his notebooks. They were rediscovered by Guillaume Amontons (1699) and were further developed by Charles-Augustin de Coulomb (1785).