Mathematics · Reciprocating Parts
In a steam engine, what will be the position of the crank for the zero acceleration of the piston? Assume the ratio of connecting rod length to crank radius (l/r) is 5.
- 1cos(θ) = 0.1016
- 2cos(θ) = 0.1242
- 3cos(θ) = 0.2162
- 4cos(θ) = 0.1862✓
Correct answer
cos(θ) = 0.1862
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