In the formula Pr=PqSin( + ), what is Pr?

1.	In the formula P_r=P_qSin( + ), what is P_r?
A.	The radial component at crankpin
B.	Pressure component at crankpin
C.	The tangential component at crankpin
D.	Vector component at crankpin
Answer» B. Pressure component at crankpin

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