machines. mechanical advantage and velocity ratio
35:35
angles of elevation and depression 5
51:43
moment of a force... physics by Prosper Nnodi..
43:12
The inclined plane2
29:32
Types of machines
49:25
The block and tackle pulley system.
25:23
Jérôme Kerviel peut-il obtenir un nouveau procès ? L'ex-trader contre-attaque - C l’hebdo
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Mathematical Logic
1:01:08