PPT Slide

THREE BASIC

CATEGORIES OF FORCES

• Uncontrollable Forces

• Controllable Forces

• Semi-controllable Forces

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REFERENCE: MSI STUDENT GUIDE

Notes:

FOR THIS DISCUSSION WE WILL LOOK AT THREE CATEGORIES OF FORCES.

Uncontrollable - forces of nature, can not be regulated. Must be compensated for or employed to advantage by the shiphandler.

Controllable - Can be regulated by the shiphandler’s own actions

Semi-controllable - Result from the ship’s speed and location with respect to bottom and sides of a given body of water or with respect to passing another ship. Shiphandler can regulate them by proper and timely use of the controllable forces at his disposal

(AT THIS POINT THE BLACK BOARD CAN BE USED TO CATEGORIZE DIFFERENT FORCES AS SUGGESTED BY THE CLASS)