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Center of Gravity

the point within something at which gravity can be considered to act

De Laval Nozzle

a tube that is pinched in the middle


a projecting spout from which a fluid is discharged

Nose Cone

front consisting of the conical head of a missile or rocket that protects the payload from heat during its passage through the atmosphere


a stabilizer that resembles the fins of a fish


highest point; the point farthest from the earth; OP. perigee


an instrument that measures the height above ground

Pressure Test

An operation performed to verify the gas-tight integrity of gas piping following its installation or modification.


pull, as against a resistance


the act of applying force to propel something


the force of attraction between all masses in the universe


the tendency of a body to maintain is state of rest or uniform motion unless acted upon by an external force


the speed of an object in a particular direction

Laminar Flow

nonturbulent streamline flow in parallel layers (laminae)


The study of forces and the resulting motion of objects through the air.

Unbalanced Force

two or more forces that are not equal and opposite of one another; can cause change in motion

Action / Reaction

Newton's 3rd Law


a body of matter without definite shape


move with force, "He pushed the table into a corner"


a rate of change of velocity

Newtons 1st Law

(Law of Inertia) an object in motion tends to stay in motion & an object at rest stays at rest unless acted upon by an outside force.

Newtons 2nd Law

(Force) when force is applied to an object it is accelerated in the direction of the force. (mass and force are inversely proportional)

Newtons 3rd Law

For every action there is an equal and opposite reaction

Body Tube

Holds the compressed air

Recovery System

purpose is to return the rocket safely to earth; includes parachutes, streamer, tumble system, helicopter, or glider

Thrust Phase

when the rocket is blasting water out the nozzle


the force or speed with which something moves


the cargo carried by the rocket

Tomy Timer

timer to control the deployment of the parachute

Parachute Shrouds


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