Science Source General Science
EN_90286236_0058
![Science Source General Science](img/medium/arch1/dvd0114/35/EN_90286236_0058.jpg)
A demonstration of two falling balls, which shows that, air resistance aside, bodies of unequal weight fall at the same rate. This is Newton's law of universal gravitation, F = mg.
2010-02-13
EAST NEWS
Science Source
Berenice Abbott
9n1937
0,55MB
13cm x 51cm przy 300dpi
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