Game 1:
Attention, all yoctograms!
Solve this problem: The reciprocal engine in figure 1 consists of a crankshaft OA 100 mm long and a connecting rod AB 250 mm long. In the crankshaft position shown α = 40°. a] Determine the angle β and the distance OB. b] If α is 90°, what is the distance of OB? c] If α is 0°, what is the distance of OB?
You have 200 minutes. Incompletes will be erased.
- JMJ 2012 Sho Minamimoto
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