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Chapter 2 Science

Lesson 1 The science of Rockets

rocket a device that expels gas in one direction to move in the opposite direction.
thrust the reaction force that propels a rocket forward
velocity speed in a given direction
orbital velocity the velocity a rocket must achieve to establish an orbit around a body in space
escape velocity the velocity an object must reach to fly beyond a planet's or moon's gravitational pull.
Created by: dguilliams