This presentation will focus on the topic of Ship Underactuation in ocean going vessels. The subtopics of this presentation consist of Rigid Body In Equilibrium, The Center of Gravity in a Rigid Body, Applying a Force into the Rigid Body, Acceleration in the Rigid Body, Translational Acceleration in the Rigid Body, Moment in the Rigid Body, Rotational Acceleration of the Rigid Body, Applying an Opposite & Equal Force, Applying an Opposite & Equal Moment, Applying an Opposite & Not-Equal Force, Applying an Opposite & Not-Equal Moment, What is a Fully Actuated System, What is an Underactuated System, and Ship Underactuation.

This presentation will focus on the topic of the Apparent Center of Gravity in a rigid body and that would be an introduction to the Apparent Center of Gravity in ocean going vessels. The subtopics of this presentation consist of Partially Submerged Rigid Body, Applying a Force into the Rigid Body, Buoyant Force of the Rigid Body, Buoyant Force Change, Weight of the Rigid Body, Added Mass of The Rigid Body, Weight of The Rigid Body, Apparent Center of Gravity, Drag Force of The Rigid Body, Scale Reading Of The Rigid Body, Varying External Force, External Moment of the Rigid Body, Translational Accelerations, Rotational Acceleration, Varying External Forces & Moments of the Rigid Body, Translational and Rotational Accelerations, Waves in Fluid Surface, Assuming the Rigid Body is a Ship, Forces and Moments in Waves, Accelerations in Waves, and The Center Of Gravity.

This presentation will focus on the topic of the Apparent Center of Gravity in a rigid body and that would be an introduction to the Apparent Center of Gravity in ocean going vessels. The subtopics of this presentation consist of Why this is important in Shipping?, What is a Rigid Body, The Center of Gravity in the Rigid Body, Mass, Volume, Density & Weight in the Rigid Body, Partially Submerged Rigid Body, Buoyant Force in the Rigid Body, Reduced Mass of The Rigid Body, New Weight of the Rigid Body, Apparent Center Of Gravity in the Rigid Body, New Weight, Mass and Density of the Rigid Body, Reduced & Added Mass of the Rigid Body, and Added Weight of the Rigid Body.

This presentation will focus on the topics of Maritime Terminology of Bow & Stern, Center Line, Port and Starboard, Mass and Weight, Light & Load Displacement, Center of Gravity & Apparent Center of Gravity, Surge, Sway, & Heave Motions, Motion Axes, Roll, Pitch and Yaw Motions, Degree of Freedom (DOF), Heading Vector, Course Speed Vector, Speed Over Ground (SOG), Speed Through Water (STW) and Drift Angle.