Which of these terms in the momentum equation for component represents the Coriolis force?

• A. ( rho v_r frac{ v_ theta}{ partial r} )
• B. ( frac{ rho v_ theta}{r} frac{ partial v_ theta}{ partial theta} )
• C. ( frac{ rho v_r v_ theta}{r} )
• D. ( frac{ partial v_ theta}{ partial r} )