👉 Counterthrust is a term used in naval architecture and engineering to describe the force required for a ship's propulsion system to maintain its forward motion. Counterthrust is typically provided by a counterweight, which is a mass that opposes the ship's forward movement. The concept of counterthrust can be understood as the opposing force that must be applied to the ship's propeller blades in order to maintain its forward speed and direction. The counterweight provides this force, and the ship must counteract
