The parts of a catapult are the arm, the counterweight, the frame, and the sling. A trigger device and other bolts and small pieces will be needed to assemble.
The main energy transfer for a catapult is from the potential energy stored in the tension of the catapult arm or springs to the kinetic energy of the projectile as it is launched.
Commander Colin C. Mitchell of the Royal Naval Reserve. In 1954, he suggested taking steam from the ship's main boiler to power the aircraft catapult.
A catapult typically experiences two main forces: the tension force generated by the pulling back of the catapult arm and the gravitational force acting on the projectile once it is launched. Additional forces may include air resistance and friction.
catapult
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Catapult is a noun.
A Trebuchet Catapult
where was the catapult used
The pitcher's elbow is the catapult. It's the main reason why so many pitchers have to undergo Tommy John surgery, which is when the elbow's ulnar collateral ligament is reconstructed from other ligaments in the body.
how did you incresed the accuacy of your catapult