- f -
- FIRST_BC : chrono::ChCubicSpline
 - FIRST_ORDER_HOLD : chrono::ChFunctionPositionSetpoint , chrono::ChFunctionRotationSetpoint
 - Fixed : chrono::utils::ChChaseCamera
 - Flores : chrono::ChSystemSMC
 - Follow : chrono::utils::ChChaseCamera
 - Free : chrono::utils::ChChaseCamera
 - FRONT_HANGER : chrono::vehicle::ChSAELeafspringAxle